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Helmer, John (John C.)
John Helmer response to Laser History Project Survey, 1986.
Letter to Joan Bromberg, director of the Laser History Project, responding to questionnaire. Helmer discusses his graduate work in electrical engineering at Stanford University's Microwave Laboratory with Willis Lamb, and at Columbia University with T. C. Wang, Ali Javan, and Koichi Shimoda on ammonia masers; his employment by Varian Associates, where he worked with Bob Jepsen and Koichi Shimoda on noise properties of the maser amplifier for the Army Signal Corps. He also describes his History of the Ammonia Maser and some of the work done at RCA Research Laboratories in Princeton, N.J. File also includes a copy of the survey questionnaire and Helmer's brief answers.
Helmer, John (John C.)
Javan, Ali, 1926-
Lamb, Willis E. (Willis Eugene), 1913-2008
Shimoda, Koichi.
United States. Army. Signal Corps
Varian Associates.
Electric engineering -- Study and teaching.
Lasers -- History.
Masers -- History.
Masers -- Research.
Questionnaires aat
Physicists. lcsh
Helmer, John, 1926- History of the amonia maser.
Wang, T. C.
Stanford University. Microwave Laboratory.
AIP-ICOS
American Institute of Physics. Niels Bohr Library & Archives. One Physics Ellipse, College Park, MD 20740, USA
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