Chandrasekhar Roychoudhuri is a research professor of physics, at the University of Connecticut. His key interest is in exploring the fundamental nature of light and particles. Chandra came to the USA as a Fulbright Scholar and received his PhD from the Institute of Optics, University of Rochester. He has worked for US industries for 14 years (TRW, Perkin-Elmer, United Technologies) and for academia for over two decades (India, Mexico, USA). He is a life member of APS, OSA, and IEEE, and Fellow of OSA and SPIE. He was a member of the board of directors of both OSA and SPIE.

Contradictions in Optical Phenomena. Recognizing NIW Property (Non-Interaction of Waves). Emergence of Superposition Effects. Diffraction Phenomenon. Spectrometry. "Coherence" Phenomenon. Mode-Lock Phenomenon. Dispersion Phenomenon. Polarization Phenomenon. A Causal Photon without Duality. NIW Property Requires space as a Complex Tension Field (CTF). Evolving Scientific Enquiry.