Background
Ghatak, Ajoy K. was born on November 9, 1939 in Lucknow, India. Son of Narenddranath and Asha (Bose) Ghatak.
(With the advent of lasers, numerous applications of it su...)
With the advent of lasers, numerous applications of it such as optical information processing, holography, and optical communication have evolved. These applications have made the study of optics essential for scientists and engineers. The present volume, intended for senior under graduate and first-year graduate students, introduces basic concepts neces sary for an understanding of many of these applications. The book has grown out of lectures given at the Master's level to students of applied optics at the Indian Institute of Technology, New Delhi. Chapters 1-3 deal with geometrical optics, where we develop the theory behind the tracing of rays and calculation of aberrations. The formulas for aberrations are derived from first principles. We use the method in volving Luneburg's treatment starting from Hamilton's equations since we believe that this method is easy to understand. Chapters 4--8 discuss the more important aspects of contemporary physical optics, namely, diffraction, coherence, Fourier optics, and holog raphy. The basis for discussion is the scalar wave equation. A number of applications of spatial frequency filtering and holography are also discussed. With the availability of high-power laser beams, a large number of nonlinear optical phenomena have been studied. Of the various nonlinear phenomena, the self-focusing (or defocusing) of light beams due to the nonlinear dependence of the dielectric constant on intensity has received considerable attention. In Chapter 9 we discuss in detail the steady-state self-focusing of light beams.
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Ghatak, Ajoy K. was born on November 9, 1939 in Lucknow, India. Son of Narenddranath and Asha (Bose) Ghatak.
Bachelor of Science, Agra (India) University, 1957. Master of Science, Delhi (India) University, 1959. Doctor of Philosophy, Cornell University, 1963.
Professor Ghatak has written over 170 research papers and more than 20 books (see Selected Publications below). His undergraduate text on Optics has been translated to Chinese and Persian and his monograph on Inhomogeneous Optical Waveguides (coauthored with Professor Sodha) has been translated to Chinese and Russian. In 1995, he was elected Fellow of the Optical Society of America "for distinguished service to optics education and for his contribution to the understanding of propagation characteristics of gradient index media, fibers and integrated optical devices".
He received his M.Sc from Delhi University and Doctor of Philosophy from Cornell University.
After a short stint as a Research Associate at Brookhaven National Laboratory, Professor Ghatak joined the Indian Institute of Technology, Delhi in 1966. He retired as an Emeritus Professor of Physics at IIT Delhi in 2007.
Professor Ghatak now spends his time writing books and doing special guest lectures at universities and colleges in India and internationally.
(With the advent of lasers, numerous applications of it su...)
Fellow Optical Society of America, Optical Society India, Institution of Electronics and Telecommunication Engineers.
Married Gopa Rakshit, January 22, 1967. Children: Arjun, Amitabh.