An infrared stellar interferometer using heterodyne detection

Details An infrared stellar interferometer using heterodyne detection An infrared stellar interferometer using heterodyne detection

Feb 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975phdt.........4j&link_type=abstract

Ph.D. Thesis California Univ., Berkeley.

Other

Heterodyning, Infrared Interferometers, Infrared Stars, Carbon Dioxide Lasers, Spectrum Analysis, Telescopes, Wavelengths

Scientific paper

A two-element steller interferometer, operating with two 10 microns wavelength heterodyne receivers on a baseline of 5.5 m was constructed and successfully tested on signals from an astronomical source. The angular resolution of the instrument for sources on the meridian is 0.2 arc seconds. Preliminary measurements of atmospheric stability coupled with reasonable expectations of improvements in receiver sensitivity lead to the conclusion that the infrared heterodyne interferometer will be capable of making high angular resolution measurements of the sizes and positions of a large number of infrared sources and perhaps contribute answers to such astronomical problems as the gravitational deflection of light or the presence of planetary systems around stars other than our sun.

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