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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 70, Iss. 8 — Aug. 1, 1980
  • pp: 935–943

Optical noise and temporal coherence

P. Chavel  »View Author Affiliations

JOSA, Vol. 70, Issue 8, pp. 935-943 (1980)

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Previous articles have been devoted to the study of optical noise as a function of spatial coherence. The present one completes this study by considering temporal coherence. Noise arising from defects in the pupil plane and affecting the high spatial frequencies of an image is notably reduced by white-light illumination. Temporal coherence has little effect on noise arising from defects in the object plane. However, impulse noise due to small isolated defects is reduced in size. Physical arguments are presented to explain these phenomena and a mathematical study of partially coherent imaging presence of random defects is given.

© 1980 Optical Society of America

P. Chavel, "Optical noise and temporal coherence," J. Opt. Soc. Am. 70, 935-943 (1980)

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  1. P. Chavel and S. Lowenthal, "Noise and coherence in optical image processing. I. The Callier effect and its influence on image contrast," J. Opt. Soc. Am. 68, 559–568 (1978).
  2. P. Chavel and S. Lowenthal, "Noise and coherence in optical image processing. II. Noise fluctuations," J. Opt. Soc. Am. 68, 721–732 (1978).
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