1. Fiber Optics

2. Solar Thermal Energy Applications

3. Renewable energy applications

1. Best presentation award at International Conference on Advance in Energy Research held in IIT Bombay December 2011

Teaching

1. Jan. 2009 to Continuing - Assistant Professor of Physics - IIITD&M Kancheepuram

2. April 2006 to Sept. 2006 - Sr. Lecturer (Physics) - ITM Gurgoan

Research

1. Sept. 2006 to Dec. 2008 - Sr. Scientific Officer I/c Head, Solar Energy - SPRERI V.V. Nagar

1. Measurement and Data Analysis Lab Manual

2. Engineering Mechanics

3. Design History

1. Naveen Kumar, K. Ramachandran, "“A Mach-Zehnder interferometer concatenated fiber loop mirror based gain equalization filter for an EDFA”,", in Optics Communications,, , 2012, in press

2. Naveen Kumar, G. Vishwanath, and Anurag Gupta "Effect of load variations on exergy performance of solar box type cooker", in JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY, 4, 2012, 053125-1 - 053125- 9

3. Naveen Kumar, G. Vishwanath, Anurag Gupta, "“An exergy based unified test protocol for solar cooker of different geometries,", in Renewable Energy, , 44, 2012, 457-462

4. Naveen Kumar, G. Vishwanath, Anurag Gupta, "“An exergy based test protocol for truncated pyramid type solar box cooker,”", in Energy, , 36, 2011, 5710-5715

5. Naveen Kumar, M. R. Shenoy, and B. P.Pal, " “Phasor Notations-based Simple Analytical Method for an Intuitive Design of Wavelength Interleaver with Flattop Response”", in IETE Journal of Research , 57, 2011, 218-225

6. Naveen Kumar, T. Chavda, H. N. Mistry, "“A truncated pyramid non-tracking type multipurpose domestic solar cooker/hot water system"", in Applied Energy, 87, 2010, 471-477

7. Naveen Kumar, S. Agravat, T. Chavda, H. N. Mistry, "“Design and development of efficient multipurpose domestic solar cooker/ dryer,”", in Renewable Energy, , 33, 2008, 2207--2211

8. Naveen Kumar, M. R. Shenoy, and B. P.Pal "Flattop all-fiber wavelength interleaver for DWDM transmission: design analysis, parameter optimization, fabrication and characterization recipe", in Optics Communications, 281, 2008, 5156-5164

9. Naveen Kumar "Cool and clean solar day-lighting system using optical fibers", in SESI JOURNAL, 18 (1), 2008, 46-54

10. Naveen Kumar, M. R. Shenoy, and B. P.Pal, "“An all-fiber interferometric technique for an accurate estimation of mode effective index of a single mode fiber”", in Optical Engineering, , 41, 2006,

11. Naveen Kumar, M. R. Shenoy, K. Thyagarajan and B. P. Pal, "“Graphical representation of the super–mode theory of a waveguide directional coupler”", in Fiber and Integrated Optics, , 25, 2006, 231-244

12. M. R. Shenoy, Naveen Kumar, B. P. Pal ""A simple technique for implementing all-fiber interleaver for DWDM systems”", in Microwave and Optical Technology Letters, 47, 2005, 137-140

13. Naveen Kumar, M. R. Shenoy, and B. P.Pal, "“An all-fiber interferometric technique for identification of coupled- and throughput ports of a fused fiber directional coupler”, ", in Optics Communications, 253, 2005, 301-307

14. Naveen Kumar, M. R. Shenoy, and B. P.Pal, "“A standard fiber-based loop mirror as a gain-flattening filter for erbium-doped fiber amplifiers,” ", in IEEE Photonics Technology Letters, 17, 2005, 2056-2058

1. Naveen Kumar, K. Ramachandran, and Venkataraman Sahoo, "Miniaturized Microfiber Mach-Zehnder Interferometer Current Sensor ", Proc. of International Conference on Optics and Laser (ICOL 2014), March 2014

2. Naveen Kumar, and K. Ramachandran, “Interrogation of a Mach-Zehnder interferometer inside the fiber loop mirror for gain equalization of an EDFA”, Proc. of International Conference on Optics and Laser (ICOL 2014), March 2014

3. Naveen Kumar, “Quantifiable Dependence of Exergy and Energy on Temperature Difference”, Proc. of International Conference on Advances in Energy Research (ICAER 2013), pp. 120-125, Dec. 2013

4. Naveen Kumar, "Comparison Of Exergy And Energy Efficiency Of Truncated Pyramid Type Solar Cooker", in the proceedings of International conference on advances in energy research, Bombay, 2009