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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 59, Iss. 1 — Jan. 1, 1969
  • pp: 10–11

Optical Heterodyne Detection of a Randomly Distorted Signal Beam

J. P. MORELAND and S. A. COLLINS,JR.  »View Author Affiliations


JOSA, Vol. 59, Issue 1, pp. 10-11 (1969)
http://dx.doi.org/10.1364/JOSA.59.000010


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Abstract

This paper defines the time-invariant detection scheme which yields the largest average signal-to-noise ratio in the heterodyne detection of a randomly distorted optical signal. It is shown that the detection scheme may be realized by properly shaping both the isophase surface and the irradiance distribution of the local-oscillator beam. Applied to the case of an atmospherically distorted optical plane wave it is shown that although the optimum local-oscillator beam differs significantly from a plane wave, the increase of average signal-to-noise ratio, over the plane-wave case as reported by Fried, is negligible (less than 10%).

Citation
J. P. MORELAND and S. A. COLLINS,JR., "Optical Heterodyne Detection of a Randomly Distorted Signal Beam," J. Opt. Soc. Am. 59, 10-11 (1969)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-59-1-10

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