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RESEARCH PAPERS |
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Dr.R.K. Sinha
Qualifications: M.Sc, Ph.D.
Specialisation: Fibre Optics & Optical Commn.
E-Mail: rksinha@dce.ac.in
Publications:
(a) Research Papers in Journals/SPIE proceedings:
- "Slow Light Miniature Devices with Ultra-flattened dispersion in Silicon-on Insulator Photonic Crystal", Swati Rawal, R.K.Sinha and Richar M. De La Rue, Optics Express (OSA,USA), Vol. 17, No.16, pp. 13315-13325, 2009
- "All Angle Negative Refraction for visible light from left handed Metallo-Dielectric Photonic Crystal: Theoretical and Numerical demonstration with nano-Photonic Device Applications" Monika Rajput and R.K.Sinha, Applied Physics B: Laser and Optics, Manuscript ID: 5932B, 2009
- " Design, Analysis and Optimization of Silicon-on-Insulator Photonic Crystal dual band wavelength De-multiplexure" , Swati Rawal & R. K. Sinha, Optics Communications, MS ID: 14305, doi :10.1016. Optcom 2009.06.046, available online on July 05, 2009
- " Design of S-band Erbium Doped Concentric Dual-core Photonic Crystal Fiber Amplifiers with ASE suppression", Shailendra K Varshney, K. Saitoh, M.Koshiba, B.P. Pal, R.K.Sinha, IEEE/OSA J. of Lightwave Technology,(USA), Vol.27, No.11, pp 1725-1733, 2009
- "Non-linear Properties of Photonic Crystal Fiber: Improved effective index method", A.D. Varshney & R. K. Sinha, Chinese Journal of Physics, Vol.47, No.2, pp185-192, 2009
- "Analysis of Electrical Conductance of Carbon Nanotubes " , Neeraj Jain, Harsh & R.K.Sinha, Advanced Materials Research, Vol 67, pp 109-114, 2009
- "Coupling Characteristics of multicore photonic crystal Fiber based 1x4 power splitters", S. K. Varshney, K. Saitoh, R.K.Sinha & M.Koshiba IEEE/OSA, J. Lightwave Technology (USA), Paper No JLT-10746-2008.R1, to appear in Vol.27, No.13, pp.01-07, 2009
- "Modeling & Design of 2D- Photonic Crystal based Y type Dual Band Wavelength Demultiplexer", R.K.Sinha and Swati Rawal, Optical and Quantum Elect. (Springer Netherlands), Vol 40, No.9, pp 603-613, 2008
- "Raman Amplification Characteristics of AS2Se3 Photonic Crystal Fibers", S. K. Varshney, K.Iizawa, Y. Tsuchida, M. Koshiba & R.K.Sinha, Optics Letters (OSA,USA), Vol 43, issue 21, pp 2431-2433, 2008.
- "Strategies for realizing Photonic Crystal Fiber Bandpass Filters", S.K. Varshney, K. Saitoh, N. Saitoh, Y. Tsuchida, M. Koshiba, R. K. Sinha, Optics Express (OSA,USA), Vol 16, Issue 13, pp 9459-9467, 2008.
- "Modelling and design of complete photonic band gaps in 2D photonic crystals" , Yogita Kalra and R K Sinha, Pramana-Journal of Physics (India), Vol.70, No.1, pp.153-161, 2008
- " Study of Birefringence of Elliptical Core Photonic Crystal Fiber Using Mathieu Function", Anshu D. Varshney and R. K. Sinha, Applied Optics(OSA,USA), Vol.46, Issue 23, pp 5912-5916, 2007
- "Propagation Characteristics of Photonic Crystal Fiber: Scalar Effective index method and Vector Effective Index method", Anshu D. Varshney and R. K. Sinha, Journal of Advanced Studies in Theoretical Physics, Vol. 1, No.2, pp.75-85, 2007
- " Design of Optical Waveguide Polarizer using Photonic Bandgap"- R. K. Sinha Yogita Kalra and, Optics Express(OSA,USA), Vol 14, issue 22, 10790-10794, 2006
- "Design of Photonic Bandgap Polarizer"- R. K. Sinha & Yogita Kalra and, Optical Engineering (SPIE,USA), Vol 45, issue 11, 110503-4, 2006
- "Photonic Band gap Engineering in 2D Photonic Crystals" R. K. Sinha and Yogita Kalra, Pramana-Journal of Physics (India), Vol. 67, No. 6, pp.. 1155-1164, 2006
- "System Performance Comparisons of Turbo and Trellis Coded Optical CDMA Systems" M. Kulkarni, R. K. Sinha & D.R. Bhaskar, International Journal of Signal Processing, Vol3, No.3 pp 186-191, 2006
- "Design of Ultra compact Polarization Splitter based on the complete Photonic Band gap", Yogita Kalra & R.K.Sinha, Optical & Quantum Electronics (Springer Netherlands), Vol.37, No.9, pp. 889-895, 2005.
- "Dispersion Properties of Photonic Crystal Fiber: Comparison by Scalar and fully Vectorial Effective Index Methods ", R. K. Sinha & Anshu D. Varshney, Optical and Quantum Electronics(Springer Netherlands), Vol 37, No.8, pp 711-716, June 2005.
- "Performance Evaluation of an Optical CDMA communication system based on statistical model" R. K. Sinha & Shalini Garg, Journal of Optical Communication (Germany), Vol. 26 (919), 2005
- "Modeling of Photonic Band gap Waveguide Couplers", Yogita Nagpal and R. K. Sinha, Microwave and Optical Technology Letters (USA), Vol. 43, No.1, pp 47-50,October 2004
- "Spectral Response of Bend Loss in Photonic Crystal Fibers", Shailendra K. Varshney and R. K. Sinha, International Journal of Laser Physics(Russia), Vol.14, No.5, pp756-759, 2004
- " Polarization dependent analysis of photonic crystal directional coupler", Yogita Nagpal and R.K.Sinha Journal of Microwaves and Optoelectronics (Brazil)', Vol.3, No.4, April 2004
- "Improved small signal analysis for dispersive optical fiber communication systems", Ajay K Sharma, R.K.Sinha, Shatendra K. Sharma, Sandeep K Arya and R. S. Kaler, Accepted for publication in the J. Optical Communications (Germany), Paper no. 847 appeared in JOC online-62, Vol. 5, 2004
- Higher Order Pulse Dispersion and transmission limit to Optical Communication System, R. K. Sinha & B. Daruka Prasad Proc. SPIE (USA) Vol. 5281 (Optical Transmission, Switching and Subsystems), pp56-64, 2004
- "Dispersion Properties in Photonic Crystal Fibers", R. K. Sinha and S.K. Varshney, Microwave and Optical Technology Letters ( USA ), Volume 37 (2), pp. 129-132, 2003
- "Propagation Characteristics of Photonic Crystal Fibers", Shailendra K Varshney, M. P. Singh and R.K.Sinha, Journal of Optical Communication ( Germany ), Vol.24, pp. 192-198, 2003.
- "Design of a thin film based optical filter for broadband multichannel communication systems", R.K.Sinha, Shalini Garg and K.L.Deori, Czechoslovak Journal of Physics, No5/03, Vol.53, pp417-424, 2003
- "Design parameter of a tunable multiple quantum well electron wave filter" Shalini Garg, R.K.Sinha and K. L. Deori, Semiconductor Science and Technology, IOP (UK), Vol.18, pp 292-296, 2003
- " Band Structure Computation of 1D Photonic Crystal " S. K. Varshney, M.P. Singh and R.K.Sinha, Photonic West, SPIE Conference at San Jose, CA , USA, Paper Number 5000-19, during 25-31 January 2003.
- "Design Parameters of Multiple Quantum Well Interference filter" Shalini Garg, R. K. Sinha & K.L.Deori, Photonic West, SPIE Conference at San Jose, CA, USA, Paper Number 4986-82, during 25-31, January.2003
- "Propagation Characteristics of Photonic Crystal Fibers from effective index model", R. K. Sinha & S.K. Varshney, Nano-Optics and Nanostructures, Proc. of SPIE. Vol. 4923, pp.106-113, September 2002.
- "Analysis of Loss mechanisms in Photonic Crystal Fibers", R.K.Sinha and Shailendra K Varshney, Paper No. 4876B-74, Proceedings of SPIE's International Conference Opto-Ireland 2002, held at Ireland , Vol. 4976, pp.416-423 September 2002
- "Estimation of Splice loss in Photonic Crystal Fibers", R.K.Sinha and Shailendra K Varshney, Paper No. 4655-41, Proceedings of SPIE's International Conference Photonic West-2002, held at san Jose, California, USA, Vol.. 4655, pp.296-302, 18-25 January 2002.
- "Characterization of Photonic Crystal Fibers from Far field measurements", S. K.Varshney & R.K.Sinha , Journal of Microwave and Optoelectronics, Vol.2 No.2, pp32-42, 2002
- "Nanostructure Devices based on Electron Waveguides", Shalini Garg, R.K.Sinha and K. L. Deori, IETE Technical Review (India), Vol. 19, No.5, pp 275-292, September-October 2002.
- "Bit rate distance product enhancement by compensating higher order dispersion", Ajay K Sharma, R.K.Sinha, R. S. Kaler, S. Arya and Vinod Kapoor, Journal of Electronics and Telecommunication, Institution of Engineers (India), Vol. 83, July 2002
- "Power penalty analysis for realistic weight functions using differential time delay with higher-order dispersion", R. S. Kaler, Ajay K Sharma, R.K.Sinha and T. S. Kamal, J. Optical Fiber Technology (USA), Vol. 8, (3), pp 240-255, July 2002.
- "Modeling of a bistable current switch in electron waveguides", Shalini Garg, R.K.Sinha and K. L. Deori, J. Microwave and Optoelectronics (Brazil), Vol. 2 (5), pp. 45-51, June 2002
- "Design of Hybrid Fiber-optic network using 3-D optical code sequences" M. Chopra, M. Bhardwaj, M. Kulkarni, A. De & R.K.Sinha, Fiber & Integrated Optics (USA), Vol. 21(4), 2002.
- "Switching Characteristics of Voltage Controlled Electron Waveguides" Shalini Garg and R.K.Sinha, Science Letters, Journal of National Academy of Sciences , India , Vol.25 No.1&2, pp-36-39, 2002.
- "Analysis of Loss Mechanism in Photonic Crystal Fibers", R.K.Sinha and Shailendra K. Varshney, Optics and Photonics Technologies and Applications, Proc. of SPIE. Vol. 4876, pp 416-422, 2002
- " BER Performance Comparison of Optical CDMA Systems with/without Turbo codes" M. Kulkarni, Virender S. Chouhan, Yashpal Dutta & R. K. Sinha, Metro and Access Networks II, Proceedings of SPIE, Vol. 4908 , pp152-161, 2002
- "On differential time delay technique governing higher order dispersion Compensation" Ajay K Sharma, R.K. Sinha and R.A. Aggrawal, Optik (Germany), International journal for light and Electron, Vol. 11, pp. 310 - 314, 2000
- "Wavelength Division Multiplexing Systems and Networks" Ajay K Sharma, R.K. Sinha and R.A. Aggrawal, IETE Technical Review ( India ), Vol.15, No.4, 1998, 235 - 250
- "Higher order Dispersion compensation By Differential Time Delay" Ajay K Sharma, R.K. Sinha and R.A. Aggrawal, Optical Fiber Technology (USA), Vol. 14, 1998,135 -143
- "Improved analysis of Dispersion compensation using differential time delay for high speed long span optical link", Ajay K Sharma, R.K. Sinha and R.A. Aggrawal, Journal of Fiber & Integrated Optics (USA) Vol.16, No.4, 1997,415 - 426
- "Coupling Characteristics of 4x4 elliptical core waveguide couplers", R.K.Sinha, Journal of fiber & Integrated Optics (USA), Vol. 15, No.2, 1996,125 - 133
- "Optical Solitons-A reality in Non-linear Optical fibers", R.K. Sinha, Quanta ( India ), 1993, 5 - 9
- "Coupling Characteristics of eight port couplers consisting of four highly elliptical core fibers" R.K.Sinha, Optics, Journal of Optical Society of India, 1992, pp.64
- "Analysis of PSK Homodyne Receiver using 4 x 4 port coupler", P.C. Subramniam and R.K. Sinha, International Journal of Optoelectronics (UK), Vol. 15 (4), 1990,355-362
- "Characterization of Single Mode Asymmetric waveguide from Far-Field Measurements" R.K.Sinha & S.I. Hosain, Journal of Optical Communications (Germany), Vol. 10, No. 3, 1989, 105 - 107
- "Coupling Characteristics of Eight Port Coupler consisting of four waveguides arranged rectangularly", R. K. Varshney, R.K.Sinha and Arun Kumar, Optic Communication (The Netherlands),Vol.71, No.2,46- 48
- "Scalar Modes and Coupling characteristics of Eight Port waveguide Couplers", R. K. Varshney, R.K.Sinha and Arun Kumar, IEEE/OSA Journal of Lightwave Technology (USA), 1989, Vol. 7, No. 2, 293 - 296
- "Characterization of Single Mode channel waveguides from Far-Field Measurement" Arun Kumar and R.K.Sinha, Optics Communications (The Netherlands) 1987, No. 2, Vol. 63, 89 - 93
(b) Papers in Conferences/Conference Proceedings:
- Polarization Mode Dispersion of Elliptical Core Photonic Crystal Fiber Using Mathieu Function”, Anshu D Varshney & R. K. Sinha , Presented in the International Conference on Fiber Optics and Photonics 2008, held in New Delhi during December 14-17, 2008
- Modeling & Design of Silicon - on - Insulator based 1.31um / 1.55um Photonic Crystal Demultiplexure”, Swati Rawal & R. K. Sinha , Presented in the International Conference on Fiber Optics and Photonics 2008, held in New Delhi during December 14-17, 2008
- Structural study of superprism phenomenon in Photonic Crystal”’ R. K. Sinha & Anshu D Varshney, Presented in SPIE International conference on Optics and Photonics, held at SanDiego during Augustn 10-14, 2008; Published in Proc. of SPIE, Vol. 7056 , 70561C, 2008
- Planar ARROW as optical sensors - Design considerations”, Shruti, R. Bhattacharyya, R. K. Sinha , Published in the International Conference on Fiber Optics and Photonics 2008, to be held in New Delhi during December 14-17, 2008
- Amlification characteriatics of As2Se3Photonic crystal fibers”, S. K. Varshney, K Saitoh, Y Tsuchida, M Koshiba and R K Sinha, Presented in the International Conference on Fiber Optics and Photonics 2008, held in New Delhi during December 14-17, 2008
- Photonic crystal based polarization beam splitter utilizing the phenomenon of negative refraction”, Monika Rajput, R. K.Sinha, Presented in SPIE International conference on Optics and Photonics, held at SanDiego during Augustn 10-14, 2008; Published in Proc. of SPIE, Vol. 7056 ,705620, 2008
- Dual band wavelength demultiplexere consisting of SOI based Photonic Crystal : Design and Analysis”, Swati Rawal & R. K. Sinha , Optics and Photonics Conference, held at SanDiego during Augustn 10-14, 2008 and to appear in Proc. of SPIE, Vol. 7056, 70560T, 2008
- Effect of Titanium Buffer Layer for Improved Field Emission of CNT based cold cathode”, S. Srividya, S. Gautum, P. Jha, S. Pal, U.S. Ojha, J.S.B.S. Rawat, P.K. Chaudhary, Harsh and R. K. Sinha , Presented in International Conference on Nanoscience & Technology held at Chennai, India during Feb. 25-28, 2008.
- CNT Density Control By Titanium Capping For Improved Field Emission”, S. Srividya, S. Gautum, P. Jha, S. Pal, U.S. Ojha, J.S.B.S. Rawat, P.K. Chaudhary, Harsh, R. K. Sinha and P.K. Basu, Presented in National Conference on Electron Microscope & Allied Fields and XXIX Annual Meeting of EMSI held at University of Delhi during November 26-28, 2007
- Propagation Characteristics of highly elliptical core photonic crystal fibers”, R. K. Sinha and A.D. Varshney, Paper Number 6480-23, Accepted for presentation in SPIE-Photonics West 2007, San Jose, CA, USA, January 20-25, 2007
- Ultra compact photonic crystal polarization mode splitter”, R. K. Sinha and Yogita Kalra, Paper Number 6480-53, Accepted for presentation in SPIE-Photonics West 2007, San Jose, CA, USA, January 20-25, 2007
- Photonic Crystal Polarizer”, R. K. Sinha and Yogita Kalra, Paper Number 6480-56, Accepted for presentation in SPIE- Photonics West2007, San Jose, CA, USA, January 20-25, 2007
- Polarization Splitter based on Complete Photonic Band Gap Structure”, R. K. Sinha and Yogita Kalra, Presented in International Conference on Photonics: Photonics 2006” held at University of Hyderabad during December 13-15, 2006.
- Design of single Mode PBG Polarizer”, Yogita Kalra and R. K. Sinha , Presented in International Conference on Photonics: Photonics 2006” held at University of Hyderabad during December 13-15, 2006.
- Modeling of GaInAsP-InP baed laser diodes with MQW structures using Transfer Matrix Method” J.P. Bovas, A. Bhattacharya and R. K. Sinha , Presented in 31st Symposium of Optical Society of India (International Conference on Optics and Optoelectronics-ICOL2005, India during December 12-15, 2005.
- Photonic Bandgap Polarizer” Yogita Kalra & R. K. Sinha , Presented in 31st Symposium of Optical Society of India (International Conference on Optics and Optoelectronics-ICOL2005, India during December 12-15, 2005
- Polarization Mode Dispersion in Elliptical Core Fibers” Anshu D. Varshney and R. K. Sinha , Presented in 31st Symposium of Optical Society of India (International Conference on Optics and Optoelectronics-ICOL2005, India during December 12-15, 2005
- A Novel Design of Ultra Wide band hybrid amplifier for amplification in U band” P.P. Baveja & R. K. Sinha , Presented in 31st Symposium of Optical Society of India (International Conference on Optics and Optoelectronics-ICOL2005, India during December 12-15, 2005.
- A Novel Electro Optic Sensor for high DC voltage measurement”, A. Chaddha, A. Chaddha, A. Dayal, PP Baveja and R. K. Sinha , Presented in 31st Symposium of Optical Society of India (International Conference on Optics and Optoelectronics-ICOL2005, India during December 12-15, 2005.
- Modal Analysis of Highly Birefringent Elliptical Core PCF from Scalar and Vectorial Effective Index Method “ Paper Number 6005-22, R. K. Sinha & Anshu D. Varshney, Accepted for presentation in the session of Photonic Crystal and Photonic Crystal Fiber for Sensing Applications in SPIE OPTICS EAST Symposium to be held at Boston, USA during October 23-26, 2005.
- Estimation of Confinement Factor in Hetrostructure Quantum Well Lasers”, Paper 6013-30, R. K. Sinha & J. Prince BovasAccepted for presentation in the session of Optoelectronic Devices: Physics, Fabrication and Application-II in SPIE OPTICS EAST Symposium to be held at Boston , USA during October 23-26, 2005.
- A Novel design of dispersion compensating Raman/Two stage EDFA hybrid Amplifier for L-band and U-Band”, Paper no. 6012-38, R. K. Sinha & Prashant Pankaj Baveja; Accepted for presentation in the session on Optical Transmission and Switching in SPIE OPTICS EAST Symposium to be held at Boston, USA during October 23-26, 2005.
- Design of ultra compact polarization splitter based on Complete Photonic Bandgap Gap”, R. K. Sinha & Yogita Kalra; Paper Number 6005-11, Accepted for presentation in the session of Photonic Crystal and Photonic Crystal Fiber for Sensing Applications in SPIE OPTICS EAST Symposium to be held at Boston, USA during October 23-26, 2005.
- Highly Birefringent Elliptical Core Photonic Crystal Fiber: Scalar and Vectorial Effective Index Method: Anshu D. Varshney & R.K.Sinha, Presented in International Workshop on Photonic Crystals : Fundamentals to Devices, July 7-8, 2005, Sydney , Australia .
- Ultrashort coupler based on complete photonic bandgap structures”. R. K. Sinha & Yogita Nagpal, Accepted for oral presentation in the international conference- Photonics 2004, held at Cochin, India during Dec.9-11, 2004, appeared in the proceedings of Photonics-2004
- Effect of ellipticity on Photnic band gap in 2D Photonic crystals” ,Yogita Nagpal & R.K.Sinha, Accepted for oral presentation in the international conference- Photonics 2004, held at Cochin, India during Dec.9-11, 2004, appeared in the proceedings of Photonics- 2004.
- Modal analysis of Photonic Crystal Fiber by scalar and fully vectorial effective index methods” Anshu D Varshney, S. K. Varshney and R.K.Sinha, Accepted for oral presentation in the international conference- Photonics 2004, held at Cochin, India during Dec.9-11, 2004, appeared in the proceedings of Photonics-2004.
- Ellipticity induced Photonic Bandgap Engineering in 2D photonic crystals”,Yogita Nagpal & R.K.Sinha , Accepted for presentation in Asia Pacific Microwave Conference held at Delhi during December 15-18, 2004, appeared in the proceedings of APMC-2004
- Analysis of Rectangular /Elliptical Core Photonic Crystal Fibers”, S. K. Varshney, T. Iwai and R. K.Sinha, Proceedings of International Symposium of Photonic and Electromagnetic Crystal Structures, March 7-11, 2004 Kyoto ( Japan )
- Spectral response of Splice Loss in Photonic Crystal Fiber”, S.K.Varhsney, R.K.Sinha and T. Iwai, IEEE-Conference on Lasers and Electro Optics (CLEO)-2003, Taiwan , December 16-18, 2003.
- Dispersion Compensating Photonic Crystal Fibers”, S.K.Varhsney, R.K.Sinha and T.Iwai, Proceedings of Optics Japan held during December 08-10, 2003.
- Polarization Dependent Photonic Bandgap Directional Coupler”, Yogita Nagpal & R.K.Sinha , Proceeding of National Symposium on Advances in Microwaves & Light waves (NSAML), pp. held during October11-14, 2003 at Department of Electronic Science, University of Delhi , Delhi .
- Dispersion Management in Photonic Crystal Fibers”, S.K. Varshney, M.P.Singh and R.K.Sinha , International conference Photonics-2002, held at TIFR Bombay, Dec 16-18, 2002.
- A multiple quantum well electron wave interference filter”, Shalini Garg, R.K.Sinha and K.L.Deori, International conference Photonics-2002, held at TIFR Bombay, Dec 16-18, 2002.
- Propagation Characteristics of Photonic Crystal Fibers”, An Effective Index Model”, R.K Sinha and S.K.Varhsney, Indo-Japanese Academic and Educational Conference (Organized by AIEJ-MONBUSHO Scholars Association of India, held during November 6-8, 2002, Delhi, India.
- Bend loss properties of Photonic Crystal Fibers”, Shailendra K Varshney and R.K.Sinha, Proceedings of International Conference on Photonic Crystals Under Down, Australian National University, Canberra, Australia, 18-24 August 2002, page 23
- Holey Fibers: Characterization, Splicing and Future Opportunities”, Shailendra K Varshney and R.K.Sinha, presented at National Conference organized by National Academy of Sciences, India, held at University of Pune during 2-5 Oct. 2001
- Propagation Characteristics of Holey Fibers”, R.K. Sinha and S. K. Varshney, Proceedings of National Conference on Computer Devices (CODEC)- 2001; held at REC Jalandhar during Feb. 21-23, 2001, 174 – 178
- Coupling Characteristics of Electron wave guide Couplers” Shalini Garg, R.K.Sinha and K. L. Deori, Proceedings of National Conference on Computer Devices (CODEC)- 2001; held at REC Jalandhar during Feb. 21-23, 2001,63 – 65
- A Novel Wavelength Migration algorithm for DQDB Networks” M. Kulkarni, Abhishek Dhamma, R.K.Sinha, Proceedings of National Conference on Computer Devices (CODEC)- 2001; held at REC Jalandhar during Feb. 21-23, 2001,63 – 65
- Implementation of Multiwavelength Optical CDMA and Hybrid CDMA Systems”, R.K.Sinha, M. Kulkarni and Sachin Gulyani, Proceedings of International Conference on Fiber Optics & Photonics, PHOTONICS 2000, held at Calcutta, DEC. 2000,672 – 674
- Optical Systems adopting Higher order Dispersion Compensation”, A. K. Sharma, R.K.Sinha and R.A. Aggrawal, Proceeding of International conference on Fiber Optics & Photonics, Photonics-98, Vol.1, held at IIT Delhi during Dec. 18-20, 1998, 312 – 316
- Bit-Delay compensating Algorithm for a Byte wide WDM Optical systems”, A. K. Sharma and R.K. Sinha, International conference on Computers and Devices for Communication, CODEC-98 (Allied publishers ltd.), Jan.1998, 335-337
- Coupling Characteristics of Quantum Well Couplers”, R.K.Sinha , IXth International Workshop on Physics of Semiconductor Devices, Delhi , Dec.1997
- Accurate Estimation of Aspect ratio of Elliptical Core Optical Fibers from Far-Field measurements: Theory and Experiment”, R.K. Sinha , IEEE/LEOS-97 Proceeding, paper WG3, Nov. 1997 (Sanfranscico), USA, 45-46
- Bit-Delay analysis of Duplex Byte wide WDM Optical link in the low Loss Transmission windows”, R.K.Sinha, A.K. Sharma and R.A. Aggrawal, Proceedings of International conference on Fiber Optics & Photonics, Photonics-96 held at IIT Madras (Chennai) India, Dec. 1996, 1257-1262
- Estimation of Bit-Delay among Byte wide WDM channels of an Optical Link in the 1.3 & 1.5 m m wavelength regions”, R.K. Sinha, A.K. Sharma and R.A.Aggrawal, XXIII National symposium of the Optical Society of India on Optics & Opto- Electronics IRDE- Raipur, Dehradun, March 14-16,1996, 113-114
- High order Dispersion Penality analysis for dispersion compensating device using Differential time delay”, R.K. Sinha, A.K. Sharma and R.A. Aggrawal, XXIII National symposium of the Optical Society of India on Optics & Opto-Electronics IRDE- Raipur, Dehradun, March 14-16,1996. 31
- Design & Development of PC based Optical Scanner for Character Recognition”, A. K. Sharma, R.K. Sinha & J.S. Saini, Presented and appeared in XXII National Symposium on Optics and Opto-Electronic Instrumentation under the auspices of The Optical Society of India held at CSIO, Chandigarh during March 29-31,1995, IX-A5-IX-A6
- Lightwave propagation through Optical Fibers”: A Perspective on Optical Communications Systems”, R.K.Sinha, Proceedings of UGC seminar on Fiber Optics Technology and applications organized by BITS Pilani during Feb. 13-15,1993, 25-51
- Coupling Characteristics of eight port couplers consisting of four highly elliptical Core fibers”, R.K.Sinha, Proceedings of national Symposium on Photonics and Integrated Optics, Optical society of India , IIT Bombay ( India ), April, 1991, pp.64.
- Calculation of lifetime in Quantum well structure considering spatial variation of Effective mass”, R.K.Sinha, Technical report, paper presented in Seminar Group, Kobe University , ( Japan ), March 1991,
- Characterization of Single Mode Rectangular Core Waveguides from Far-Field Radiation Patterns”, Arun Kumar, R.K.Sinha and M.R.Das, Proceedings of Symposium on Fiber Optic Applications, Bangalore ( India ), March 1987 (c)
(c) Books/Lecture Notes authored:
- "Electron Waveguide based Interference Filter in multiple quantumwell structure", R. K. Sinha and Shalini Garg "Focus on Semiconductors Research" Chapter 4, pp. 113-132, NovaScience Publishers, Inc. NY,USA, September 2005.(Edited by Thomas B. Elliot)
- A.K. Sharma and R.K. Sinha, “Modern Electronic Communication: Principles and Practice”, a Book, published from Dhanpat Rai publishing Company, New Delhi , 1999
- R.K.Sinha , “Fiber Optics & Optoelectronics”, Lecture Notes: Distance Learning Program Unit, Birla Institute of Technology and Science, Pilani in Oct.1992
R. K. Sinha & Shalini Garg, “Electron Waveguide based Interference Filter in multiple quantum well structure” Accepted for publication as a chapter in a book “Focus on Semiconductors Research” by Nova Science Publishers, NY USA to appear in September 2005.
(d) Reports /articles authored:
- R.K.Sinha , “Studies on Broadband Optical Communication Systems”, Final project Report to AICTE, New Delhi ; supported under R & D project grant (1996-98) submitted in Dec. 1998
- R.K. Sinha and Amit Garg, “A report on Erbium doped optical fiber amplifier”, Submitted to University Grants Commission through BITS Pilani, 1994
- R.K. Sinha , “Experimental Characterization and Simulation of Optical waveguides and Devices”, Project Report submitted to UGC through BITS Pilani, 1993,
- R.K. Sinha , “Quantum Well Lasers and Quantum size Optoelectronics Devices; A Report”, Submitted to the Ministry of Human Resource & Development Government of India in Oct. 1991.
- R.K. Sinha , “Fabrication and characterization of Integrated Optical waveguides-A Lab Manual”, Prepared for Applied Photonics Lab, ECE Department, IISc, Bangalore, India in Oct. 1991.
Prof. Kunj Lata Deori
Qualifications: M.Sc, Ph.D.
Specialisation: Thin Film
E-Mail: kldeori@dce.ac.in
Publications:
- The dielectric response of KxAlxTi8-xO16 and KxMgx/2Ti8-x/2O16.
K. L. Deori, A. K. Jonscher, J. M. Reau and J. Moali, Journal of Material Science 14 (1979) pp 1308-1320.
- Dielectric response of solid electrolyte at low temperature.
K. L. Deori and A. K. Jonscher, Journal of Physics, C : Solid State Physics, Vol. 12 1979, pp L289-292.
- Dielectri response at very low temperature.
K. L. Deori, R. M. Hill, A. K. Jonscher and A. C. Leech, Cdelsea Dielectric Group Sixth Progress Report, January 1981.
- Electrical properties of Methyl Methacrylate-Methacrylic acid Copolymer thin films.
R. Sarmah, N. N. Dass and K. L. Deori, Journal of Assam Science Socity, 31 (3) pp 1-14, 1989.
- Optical and electrical properties of Tin oxide thin films prepared by atmospheric pressure CVD.
P. K. Saikia and K. L. Deori, Asian Chemistry Letters Vol. 3 No. 1&2, 1999 pp 66-69.
- Switching characteristics of voltage controlled electron waveguides.
Shalini Garg, R. K. Sinha and K. L. Deori, Science Letters, Journal of National Academy of Sciences, India, Vol. 25, No. 1&2, 2002 pp 36-39.
- Modelling of a bistable current switch in electron waveguides.
Shalini Garg, R. K. Sinha and K. L. Deori, Journal of Microwave and Optoelectronics (Brazil), Vol. 2, No. 5 June 2002.
- Nanostructure devices based on electron waveguides.
Shalini Garg, R. K. Sinha and K. L. Deori, IETE Technical Review, Vol. 19, No. 5 Sept- Oct 2002, pp 269-284.
- Design parameter of a tunable multiple quantum well electron wave filter.
Shalini Garg, R. K. Sinha and K. L. Deori, Semiconductor Science and Technology, IOP(UK) Vol. 18, 2003, pp 292-296
- Design parameters of multiple quantum well interference filter.
Shalini Garg, R. K. Sinha and K. L. Deori, Photonic West, SPIE conference at San Jose, CA, USA, during 25-31, January 2003.
A.K.Jha
Qualifications: M.Sc, Ph.D.
Specialisation: Material Physics
E-Mail: akjha@dce.ac.in
Publications:
(a) Research Papers in International Journals
- Investigations of dielectric, pyroelectric and electrical properties of Ba5SmTi3Nb7O30 ferroelectric ceramic
Prasun Ganguly, A. K. Jha and K. L. Deori
Journal of Alloys and Compounds (In Press) (doi: 10.1016/j.jallcom.2009.05.034).
- Structural, dielectric and electrical studies of Ba5-xCaxSmTi3Nb7O30 (x = 0, 1)
ferroelectric ceramics
Prasun Ganguly, A. K. Jha and K. L. Deori
Asian Journal of Chemistry (In Press).
- Dielectric and Pyroelectric studies of Tungsten – Bronze Structured Ba5SmTi3Nb7O30
Ferroelectric Ceramics
Prasun Ganguly, Sheela Devi, A. K. Jha and K. L. Deori
Ferroelectrics 381 (2009)111–119
- Structural, Dielectric and Ferroelectric Studies of Molybdenum Substituted Sr2Bi2Nb2O9
Ferroelectric Ceramics
Sameer Jain, Prasun Ganguly, Sheela Devi and A. K. Jha
Ferroelectrics 381 (2009) 152-159
- Structural, Dielectric and Ferroelectric properties of tungsten substituted barium
titanate ceramics
Sheela Devi and A. K. Jha
Asian Journal of Chemistry (In Press).
- Effect of W Substitution on Structural, Dielectric and Electrical Properties of BaTiO3
Ferroelectric Ceramics
Sheela Devi, Prasun Ganguly, Sameer Jain and A. K. Jha
Ferroelectrics 381 (2009) 120-129
- Ferroelectric and piezoelectric properties of tungsten substituted SrBi2Ta2O9
ferroelectric ceramics
Indrani Coondoo and A. K. Jha
Materials Research Bulletin 44 (2009) 1288-1292
- Enhancement of ferroelectric and piezoelectric characteristics in europium substituted
SrBi2Ta2O9 ferroelectric ceramics
Indrani Coondoo and A. K. Jha
Materials Letters 63(2009)48-50
- Structural and electrical properties of SrBi2VxNb2-xO9 ferroelectric ceramics: Effect of temperature and frequency
Sameer Jain and A. K. Jha
Journal of Electroceramics (in press) (doi: 10.1007/s10832-008-9542-y)
- Enhancement of dielectric properties by optimization of sintering condition in tungsten-
bronze structured Ba5SmTi3Nb7O30 ferroelectric ceramics
Prasun Ganguly, A. K. Jha and K. L. Deori
Journal of Electroceramics 22 (2009) 257-262
- Complex impedance studies of tungsten-bronze structured Ba5SmTi3Nb7O30
ferroelectric ceramics
Prasun Ganguly, A. K. Jha and K. L. Deori
Solid State Communications 146 (2008) 472
- Structural, dielectric and ferroelectric behaviour of europium substituted SrBi2Ta2O9
ferroelectric ceramics
Indrani Coondoo and A. K. Jha
Solid State Communications 142(2007)561
- Effect of Temperature and Frequency on Dielectric Properties of Aurivillius Type
Sr0.9Pb0.1Bi2-xLaxNb2O9Ferroelectric ceramics
Sameer Jain and A. K. Jha
Ferroelectrics 356 (2007) 45
- Wolframium Doped SrBi2Ta2O9- Effect on Microstructural, Dielectric and Ferroelectric
Properties
Indrani Coondoo , A. K. Jha and S. K. Agarwal
Ferroelectrics 356(2007)31
- Electrical Investigations of Aurivillius Type Sr0.7A0.3Bi2Nb2O9 (A = Ca, La and Pb)
Ferroelectric Ceramics
V. Shrivastava, A. K. Jha and R. G. Mendiratta
Ferroelectrics 356 (2007) 54
- Enhancement of dielectric characteristics in donor doped aurivillius SrBi2Ta2O9
ferroelectric ceramics
Indrani Coondoo , A. K. Jha and S. K. Agarwal
Journal of European Ceramic Society 27 (2007) 253.
- Structural, dielectric and electrical studies in the tungsten doped SrBi2Ta2O9
ferroelectric ceramics
Indrani Coondoo , A. K. Jha and S. K. Agarwal
Ceramics International 33 (2007) 41.
- Structural and Electrical Characterization of Pb and La co-substituted SrBi2Nb2O9
Sameer Jain and A. K. Jha
Asian Journal of Chemistry 18(5)(2006)3317
- Dielectric Studies of La and Pb-doped SrBi2Nb2O9 Ferroelectric Ceramics
V. Shrivastava, A. K. Jha and R. G. Mendiratta
Materials Letters 60/12 (2006) 1459.
- Structural and electrical studies in La substituted SrBi2Nb2O9 Ferroelectric ceramics
V. Shrivastava, A. K. Jha and R. G. Mendiratta
PHYSICA B 371/2 (2006) 337
- Phase transition and electrical studies of wolframium doped SrBi2Ta2O9 ferroelectric ceramics.
Indrani Coondoo, A. K. Jha, S. K. Agarwal and N. C. Soni
Journal of Electroceramics 16 (2006) 393.
- Structural distortions and phase transition studies of Aurivillius type Sr1-xPbxBi2Nb2O9
ferroelectric ceramics.
V. Shrivastava, A. K. Jha and R. G. Mendiratta
Solid State Communications 133(2005)125
- Effect of calcium doping on lattice on lattice parameters resulting in structural
distortions of SrBi2Nb2O9 ferroelectric ceramics.
V. Shrivastava, A. K. Jha and R. G. Mendiratta
SPIE - Int. Soc. Opt. Eng., 5062(No.1) (2003)202
- Effect of addition of barium, tin and silver on Bi-Sr-Ca-Cu-O ceramic superconductors.
A. K. Jha and R. G. Mendiratta
Journal of Materials Science 31(1996)1735
- Mossbauer Study in Bi-Pb-Sr-Ca-Cu-O Ceramic Superconductors.
A. K. Jha and R. G. Mendiratta
Solid State Communications 93(1995) 79.
- Lead doped Bismuth ceramics; Superconducting properties and effect of particle
size.
A. K. Jha and R. G .Mendiratta
Journal of Materials Science 29 (1994) 1302.
- Effect of addition of lead on the superconductivity and structure of Bi2Sr2Ca2Cu3O10
ceramics.
S. Bansal, T. K. Bansal, A. K. Jha and R. G. Mendiratta
Physica C 173 (1991) 260.
(b) Research Papers in National Journals
- On the 2223 phase of the leaded bismuth ceramic superconductors.
A. K. Jha and R. G. Mendirattta
Indian Journal of Physics 68A5 (1994) 491.
(c) Research Papers in Conferences/Workshop
- Structural, Dielectric and Ferroelectric Properties of Tungsten Substituted Barium Titanate
Ferroelectric Ceramics
Sheela Devi and A.K. Jha
National Conference on Advanced Materials and Radiation Physics (AMRP 2009) 9-10th
2009 Sant Longowal Institutes of Engineering and Technology Sangrur (Punjab).
- Structural, dielectric and electrical studies of Ba5-xCaxSmTi3Nb7O30 (x = 0, 1) ferroelectric
ceramics
Prasun Ganguly, A. K. Jha and K. L. Deori
National Conference on Advanced Materials and Radiation Physics (AMRP 2009) 9-10th
2009 Sant Longowal Institutes of Engineering and Technology Sangrur (Punjab).
- Effect of temperature and frequency on the dielectric and ferroelectric properties of
tungsten doped barium titanate
Sheela Devi and A. K. Jha
15th National Seminar on Ferroelectrics and Dielectrics (NSFD-15), Nov.6-8, 2008
Thapar University, Patiala
- Effect of sintering conditions on the electrical properties of Ba5SmTi3Nb7O30
ferroelectric ceramics
Prasun Ganguly, Sheela Devi, A. K. Jha and K. L. Deori
15th National Seminar on Ferroelectrics and Dielectrics (NSFD-15), Nov.6-8, 2008
Thapar University, Patiala
- Dielectric and Pyroelectric studies of Tungsten - Bronze Structured Ba5SmTi3Nb7O30 Ferroelectric Ceramics
Prasun Ganguly, Sheela Devi, A. K. Jha and K. L. Deori
6th Asian Meeting on Ferroelectrics, August 02-06, 2008, Taipei, Taiwan.
- Structural, Dielectric and Ferroelectric Studies of Molybdenum Substituted Sr2Bi2Nb2O9 Ferroelectric Ceramics
Sameer Jain, Prasun Ganguly, Sheela Devi and A. K. Jha
6th Asian Meeting on Ferroelectrics, August 02-06, 2008, Taipei, Taiwan.
- Effect of W Substitution on Structural, Dielectric and Electrical Properties of BaTiO3
Ferroelectric Ceramics
Sheela Devi, Prasun Ganguly, Sameer Jain and A. K. Jha
6th Asian Meeting on Ferroelectrics, August 02-06, 2008, Taipei, Taiwan.
- Structural, Dielectric & Electrical Studies of Ba5SmTi3Nb7O30 Ferroelectric Ceramics
Prasun Ganguly, Sameer Jain, A. K. Jha, and K. L. Deori
17th IEEE International Symposium on Applications of Ferroelectrics - ISAF,
February 24-27, 2008, Santa Fe, New Mexico, USA.
- Synthesis and Characterization of Vanadium Doped SrBi2Nb2O9 Ferroelectric Ceramics
Sameer Jain, Prasun Ganguly and A.K. Jha
17th IEEE International Symposium on Applications of Ferroelectrics - ISAF,
February 24-27, 2008, Santa Fe, New Mexico, USA.
- Effect of Sintering Temperature on Dielectric Properties of Tungsten Doped Barium
Titanate
Sheela Devi, Sameer Jain and A. K. Jha
17th IEEE International Symposium on Applications of Ferroelectrics - ISAF,
February 24-27, 2008, Santa Fe, New Mexico, USA.
- Structural and Dielectric Investigations of Tungsten Doped Barium Titanate Ceramics
Sheela Malik and A. K. Jha
National Seminar on Electroceramics, Sonepat, November 5-6, 2007.
- Influence of vanadium doping on microstructural and Electrical properties of SBN
Ferroelectric Ceramics
Sameer Jain and A. K. Jha
National Seminar on Electroceramics, Sonepat, November 5-6, 2007.
- Investigations of Dielectric and Electrical Properties of Tungsten-bronze Structured
Ba5SmTi3Nb7O30 Ferroelectric Ceramics: Effect of Sintering Conditions
Prasun Ganguly, A. K. Jha and K. L. Deori
10th International Conference on Advanced Materials, 8-13 October, 2007, Bangalore.
- Effect of Vanadium Doping on the Lattice distortions and Dielectric properties of
SrBi2Nb2O9 Ferroelectric Ceramics
Sameer Jain and A. K. Jha
10th International Conference on Advanced Materials, 8-13 October, 2007, Bangalore.
- Impedance-spectroscopic analysis of Ba5SmTi3Nb7O30 ferroelectric ceramics: Effect of
sintering conditions
Prasun Ganguly, A. K. Jha and K. L. Deori
2nd International Workshop on Smart Materials and Structures, 29-31 August, 2007,
Kiel, Germany.
- Structural and electrical properties of SrBi2VxNb2-xO9 ferroelectric ceramics: Effect of
temperature and frequency
Sameer Jain and A. K. Jha
2nd International Workshop on Smart Materials and Structures, 29-31 August, 2007,
Kiel, Germany.
- Enhancement of dielectric properties by optimization of sintering condition in tungsten-
bronze structured Ba5SmTi3Nb7O30 ferroelectric ceramics
Prasun Ganguly, A. K. Jha and K. L. Deori
International Conference on Electroceramics, 31 July-3 August, 2007, Arusha,
Tanzania, Africa.
- Effect of Vanadium Doping on Structural, Dielectric and Ferroelectric Properties of
SrBi2Nb2O9 Ferroelectric Ceramics.
Sameer Jain and A. K. Jha
2nd International Conference on Recent Advances in Composite Materials-2007,
20-23 February, 2007, Institute of Technology, BHU, Varanasi, India.
- Structural, Dielectric and Ferroelectric studies of Bi4V2-xWxO11 (x=0, 1) Ferroelectric
ceramics
Arpit Gupta, Prasun Ganguly, Indrani Coondoo, Sameer Jain and A. K. Jha
14th National Seminar on Ferroelectrics & Dielectrics-2006 (NSFD-XIV) 18-21
December, 2006, IIT Kharagpur, West Bengal.
- Structural, Dielectric and Ferroelectric Studies of Vanadium Substituted SrBi2Nb2O9
Sameer Jain and A. K. Jha
14th National Seminar on Ferroelectrics & Dielectrics-2006 (NSFD-XIV) 18-21
December, 2006, IIT Kharagpur, West Bengal.
- Dielectric and Ferroelectric Investigations of Tungsten and Europium Doped Aurivillius
SrBi2Ta2O9 Ceramics
Indrani Coondoo, A. K. Jha and S. K. Agarwal
14th National Seminar on Ferroelectrics & Dielectrics-2006 (NSFD-XIV) 18-21
December, 2006, IIT Kharagpur, West Bengal.
- Structural, Electrical and Ferroelectric comparison of SrBi2Nb1.9V0.1O9
and SrBi2Nb2O9 sintered at high temperature
Sameer Jain and A. K. Jha
International Symposium for Research Scholars on Metallurgy Materials Science &
Engineering, December 18-20, 2006, 117 Madras, Chennai
(Awarded Best Oral presentation Award)
- Effect of Temperature and Frequency on Dielectric Properties of Aurivillius Type
Sr0.9Pb0.1Bi2-xLaxNb2O9 Ferroelectric ceramics
Sameer Jain and A. K. Jha
The 5th Asian Meeting on Ferroelectrics, September 3-7, 2006, Noda, Japan
- Wolframium Doped SrBi2Ta2O9- Effect on Microstructural, Dielectric and Ferroelectric
Properties
Indrani Coondoo , A. K. Jha and S. K. Agarwal
The 5th Asian Meeting on Ferroelectrics, September 3-7, 2006, Noda, Japan
- Electrical Investigations of Aurivillius Type Sr0.7A0.3Bi2Nb2O9 (A = Ca, La and Pb)
Ferroelectric Ceramics
V. Shrivastava and A. K. Jha
The 5th Asian Meeting on Ferroelectrics, September 3-7, 2006 Noda, Japan
- Structural and Dielectric comparison of Sr0.9Pb0.1Bi1.9La0.1Nb2O9 and SrBi2Nb2O9
ferroelectric ceremics.
Sameer Jain and A.K. Jha
National Conference on Ferroics 06, June30-July1,2006, Vastunagar, Mangalpalli,
Ibrahimpatan, Andhra Pradesh.
- Structural and Electrical study of aurivillius type Sr 0.9Pb 0.1Bi 2-xLaxNb2O9 Ferroelectric
Ceramic
Sameer Jain and A.K.Jha
National Seminar on Advances in Electroceremics-2006, DRDO Centre for
Piezoceramics and Devices, Pune, April 10-11, 2006.
- D.C. and A.C. Conductivity studies of tungsten doped SBT ferroelectric ceramics
Indrani Condoo, A.K. Jha, S.K. Agarwal and N.C. Soni
National Seminar on Advances in Electroceremics-2006, DRDO Centre for
Piezoceramics and Devices, Pune, April 10-11, 2006.
- Effects of La and Pb doping on structural and dielectric properties of Sr1-xAxBi2Nb2O9
(A=La, Pb and x=0.1) ferroelectric ceramic.
Vaibhav Shrivastav, A.K.Jha and R.G.Mendiratta
National Seminar on Advances in Electroceremics-2006, DRDO Centre for
Piezoceramics and Devices, Pune, April 10-11, 2006.
- Structural and Electrical Characterization of Pb and La co-substituted SrBi2Nb2O9
Sameer Jain and A.K.Jha
National Conference on Lasers, Smart Materials & Radiation Physics, 17-18 March,
2006, Sant Longowal Institute of Engg. & Technology, Longowal, Punjab.
- Phase transition and electrical studies of wolframium doped SrBi2Ta2O9 ferroelectric
ceramics
Indrani Coondoo, A. K. Jha, S. K. Agarwal and N. C. Soni
3rd International Conference on Materials for Advanced Technologies, 3-8 July
2005, Singapore.
- Influence of tungsten doping on the structural and dielectric properties of Aurivillius
SrBi2Ta2O9 ceramics
Indrani Coondoo, A. K. Jha, S. K. Agarwal and N. C. Soni
Proceedings of National conference on Advances in Condensed Matter Physics;
11-12 Feb, 2005, Thapar Institute of Engineering and Technology, Patiala, Punjab.
- Effect of tungsten doping on the structural and dielectric behaviour of SrBi2Ta2O9
ferroelectric ceramics
Indrani Coondoo, A. K. Jha, S. K. Agarwal and N. C. Soni
Proceedings of XIII National Seminar on Ferroelectrics and Dielectrics; 23-25 Nov,
2004, University of Delhi, Delhi, India.
- Structural distortions and behavioural changes in phase transition of lead substituted
Aurivillius type Sr 1-xPbxBiNb2O9 ferroelectric ceramics
V. Shrivastava, A. K. Jha and R. G. Mendiratta
Asian Meeting on ferroelectrics, Dec. 12-15, 2003,
Indian Institute of Science, Bangalore, India.
- Effect of calcium doping on lattice on lattice parameters resulting in structural
distortions of SrBi2Nb2O9 ferroelectric ceramics
V. Shrivastava, A. K. Jha and R. G. Mendiratta
International Conference on Smart Materials Structures and Systems; 12-14 Dec,
2002, Indian Institute of Science, Bangalore, India.
- Superconducting behaviour of highly leaded bismuth based superconducting
ceramics.
A. K. Jha and R. G. Mendiratta
National Workshop on High-Tc Superconductors, 21-23 Feb.1991,
Aurangabad (Maharashtra) India.
V.S. Kaushal
Qualifications: M.Sc(H), Ph.D.
Specialisation: Theoretical Physics
E-Mail: vskaushal@dce.ac.in
Vinod Singh
Qualifications: M.Sc.
Specialisation: Optics
E-Mail: vinodsingh@dce.ac.in
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