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Али Джаван

изобретатель газового лазера.



Source: People

[ДОПОЛНИТЕЛЬНАЯ ИНФОРМАЦИЯ]








Ali Javan is the Francis Wright Davis Professor of Physics at the Massachusetts Institute of Technology. A recognized world leader in the field of lasers and quantum electronics, he has won international acclaim for his invention of the first gas laser.





Professor Javan, a native of Teheran, Iran, received the Ph.D. degree in physics in 1954 from Columbia University in New York City under the direction of Charles Townes. Following a postdoctoral fellowship at Columbia University, he joined the research staff of Bell Telephone Laboratories in Murray Hill, New Jersey in September, 1958. In 1961 he joined the MIT faculty, where he has continued to teach and conduct research up to the present.





Professor Javan conceived of the gas laser principle in 1958, while a member of the Bell Laboratories technical staff, and in 1960 he brought this concept to fruition, successfully operating the well-known and widely used helium-neon laser. This invention, the first laser to operate continuously, attracted immediate international attention and laid the foundation for a great deal of subsequent work.





Prior to his work on the laser, Professor Javan developed the theory of the three level maser and showed the importance of phase coherence in this microwave device. This work introduced the concept of masers without population inversion, and he further extended this idea to the use of the stimulated Raman effect to achieve gain, a concept that subsequently led to novel extensions in the optical regime.





Professor Javan\'s continued contributions over the years have advanced diverse frontiers in the field of quantum electronics. At MIT, he established a major research laboratory and developed it into the largest university laser research laboratory throughout the 1960\'s and 1970\'s. Many of the early breakthroughs in the scientific uses of lasers took place there. These include the many developments in laser spectroscopy at sub-Doppler resolution, which defined the field of gas phase nonlinear spectroscopy; the first use of lasers to accurately test the special theory of relativity and the isotropy of space; the introduction of absolute frequency measurement technology into the optical region, and the first development of laser atomic clocks.





Professor Javan has continued to be active in novel areas of research, including his recent work exploring the effects of coupling light by an optical antenna into a nanoscale volume of matter. A number of active fields of research have emerged from his work. His contributions have also extended to applied research areas, from the development of high energy gas lasers and multistatic laser radars, controlled by accurate optical clocks, to lasers for medical diagnostic use. He has supervised the doctoral thesis research of a large number of physics graduate students. In addition, he has served as an active consultant to government and industry.





For his work on gas lasers, Professor Javan was awarded the 1964 Stewart Ballentine Medal of the Franklin Institute, the 1966 Fanny and John Hertz Foundation Medal, the 1975 Fredrick Ives Medal of the Optical Society, and the 1993 Albert Einstein World Medal of Science of the World Cultural Council. He is a Fellow of the National Academy of Sciences and the American Academy of Arts and Sciences, an Associate Fellow of the Third World Academy of Sciences, and an Honorary Member of the Trieste Foundation for the Advancement of Science. In 1966 he was named a Guggenheim Fellow, and in 1979 and 1995 a Humbolt Foundation Fellow

Source: People


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