Beschreibung
During the last three decades, a tremendous interest in new tailored materials called the Photonic Band Gap (PBG) materials has been generated and emerged as a new multidisciplinary field of study. In one dimension, these materials are composed of thin dielectric materials, semiconductor or metals surrounded by air or other materials of lower refractive index in order to confine the light wave. These structures exhibit frequency bands where electromagnetic waves cannot propagate. Photonic crystals (when they exhibit photonic band gap(s), they are known as PBG materials) are optical materials with periodic changes in the dielectric constant in one-, two- and three-dimensions.
Autorenporträt
Gulbir Singh was born on Dec 10, 1958, in Hisawada, U.P., India. Hereceived the B.Sc. (PCM) degree in 1982, M.Sc. degree in Physics in 1984from Meerut University, Meerut. He received the Ph.D. degree in Physics in2001 from C.C.S. University, Meerut. He is working as Associate Prof inS.G. (P.G.) College, Saroorpur Khurd, Meerut, India.
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