1 April 1979 Laser Detection by Coherence Discrimination
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Abstract
The axial coherence length of laser radiation is both specific and unique to lasers. An angle-scanned interferometer is described as a coherent energy modulator in a coherence-discriminating laser receiver. A symmetrical solid-spaced Fabry-Perot interferometer etalon is used. Etalon pairs are used in a logic arrangement that passes coherent laser signals and rejects incoherent background signals. Two pairs of stepped etalons are used to detect a single laser pulse. The fundamental limits of performance of this type of laser receiver are listed.
Robert Crane, Jr., "Laser Detection by Coherence Discrimination," Optical Engineering 18(2), 182212 (1 April 1979). https://doi.org/10.1117/12.7972352 . Submission:
JOURNAL ARTICLE
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