NASA NTRS · 19750053120
Berkeley heterodyne interferometer
Abstract
A prototype heterodyne stellar interferometer has been built in order to demonstrate the feasibility of heterodyne techniques in measuring angular diameters of bright infrared stars. The first system tests were performed in December 1972. Attention is given to investigations concerning the possibility that optical air turbulence within the structure of the solar telescope employed can possibly destroy the phase coherence of the fringe signals.
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Betz, A.. 1975-07-01. Berkeley heterodyne interferometer. https://ntrs.nasa.gov/citations/19750053120
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