Physics – Condensed Matter – Statistical Mechanics
Scientific paper
Sep 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005josaa..22.1937w&link_type=abstract
Optical Society of America Journal, Volume 22, Issue 9, pp. 1937-1946 (2005).
Physics
Condensed Matter
Statistical Mechanics
4
Infrared Astronomy, Submillimetre Astronomy, Astronomical Techniques, Astronomical Telescopes, Quantum Statistical Mechanics, Light Interferometry
Scientific paper
We present a detailed quantum-statistical model of multimode far-infrared and submillimeter-wave astronomical interferometers. The scheme identifies explicitly the optical modes associated with each telescope and uses these to trace the quantum-statistical properties of the field from a source through the telescopes, through the beam combiners, and onto the detectors. The scheme can be used with any optical configuration, and elegant expressions result for the average rate at which photons are detected by the pixels of an imaging array, the mean-square fluctuations in the rates, and the correlations between the fluctuations in the rates of different pixels. Numerous extensions to the basic technique are possible.
Hobson Michael P.
Saklatvala George
Withington Stafford
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