Zeeman modulated infrared communications system using helium resonance raidation.
Jameson, Henry C. Jr.
Menneken, Carl E.
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The purpose of this paper is to describe an investigation of the feasibility of development of a Zeeman modulated non-image forming infrared voice communication system using helium resonance radiation. During the investigation, experiments were conducted which determined that the Zeeman modulation of a gaseous discharge light source was feasible. The theoretical and experimental investigations were performed at the instrument division of Varian Associates in Palo Alto, California, during the period January to March, 1961, while the write was a student in the Engineering Electronics curriculum at the U.S. Naval Postgraduate School, Monterey, California.