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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Vol. 21, Iss. 10 — Oct. 1, 2004
  • pp: 1988–1995

Modal analysis of astronomical bolometric interferometers

Stafford Withington, Michael P. Hobson, and Edward S. Campbell  »View Author Affiliations

JOSA A, Vol. 21, Issue 10, pp. 1988-1995 (2004)

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A procedure is described for modeling the behavior of astronomical bolometric interferometers. The scheme is based on the notion of eigenfields. The input and output eigenfields are those field distributions on the sky and at the detector to which the individual telescopes of an interferometer can couple. Eigenfields are more fundamental than eigenmodes and provide, regardless of optical configuration, an orthogonal basis for propagating the second-order statistical properties of a field from a source through the telescopes, through the beam combiners, and onto the detectors. With our scheme, it is possible to calculate the power coupled into coherent, partially coherent, and incoherent imaging arrays and to include the spatially distributed noise sources of the telescopes themselves.

© 2004 Optical Society of America

OCIS Codes
(030.0030) Coherence and statistical optics : Coherence and statistical optics
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(220.0220) Optical design and fabrication : Optical design and fabrication

Original Manuscript: March 24, 2004
Manuscript Accepted: May 19, 2004
Published: October 1, 2004

Stafford Withington, Michael P. Hobson, and Edward S. Campbell, "Modal analysis of astronomical bolometric interferometers," J. Opt. Soc. Am. A 21, 1988-1995 (2004)

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  21. S. Withington, G. Yassin, “Analyzing the power coupled between partially coherent waveguide fields in different states of coherence,” J. Opt. Soc. Am. A 19, 1376–1382 (2002). [CrossRef]

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