[1] | N. Kumar, S.K. Srivastava, Sanjeev K. Srivastava and S.P. Ojha, "Effect of the Pitch Angle on the Propagation Characteristics of a Helically Inner Cladded Annular Circular Waveguide, " Proc. Sixth International Conference on Optoelectronics, Fiber Optics and Photonics, PHOTONICS2002, held at TIFR, Mumbai (India), p.79 (Dec. 2002). |
[2] | P.C. Pandey, N. Kumar and S.P. Ojha, "A Mathematical Modal Analysis of Dielectric Curvilinear Equilateral Triangular Loop-Cored Lightguide, Fourth Conference of the International Academy of Physical Sciences (CONIAPS IV2001), p. 14, February 25-27, 2001; held at MGCGV, Chitrakoot, India |
[3] | N. Kumar, Sanjeev K. Srivastava, S.K. Pandey and S.P. Ojha, "Fabrication of Mirror by Means of Photonic Crystals, " Proc. COPE03, pp. 231235., XXVIII OSI (Optical Society of India), Conference on Optics & Photonics in Engineering COPE03, January 6-8, 2003; held at NSIT, New Delhi |
[4] | S.K. Srivastava, N. Kumar and S.P. Ojha, "Modal Propagation Characteristics of Metal-clad Concave Lens Shaped Waveguides Under the Weak Guidance Approximation, " Proc. COPE03, pp. 236239. |
[5] | N. Kumar, S.K. Srivastava and S.P. Ojha, "Modal Dispersion Characteristics of Helically Inner Cladded Annular Waveguide, " Proc. COPE03, pp. 409412. |
[6] | Sanjeev K. Srivastava, N. Kumar, S.K. Srivastava and S.P. Ojha, "Design of an Ultraviolet Filter Based on Photonic Band Gap Materials, " National Symposium on Atomic, Molecular Structure, Interactions and Laser Spectroscopy, p. 84.February 22-24, 2002; held at Department of Physics, BHU, Varanasi |
[7] | Narendra Kumar and S. P. Ojha, "A Study of Unprecedented control of Light by Photonic Crystals and Biomedical Applications, " BIOMED2005, National Conference on Engineering Trends in Biomedical Instrumentation, BIT Mesra, Ranchi; April 29-30, 2005. |
[8] | Narendra Kumar and Sant Prasad Ojha, "Optical Broadband Reflectors Using Photonic Bandgap Materials and Their Applications in Efficiency Enhancement of Solar Cells, " MITSNCE 2008, National Conference On Energy, Sponsored by AICTE, Organized by MITS Deemed University, Lakshnangarh (Rajasthan), October 18-19, 2008. |