BACK TO INDEX BACK TO OTHMAR FREY'S HOMEPAGE Publications of year 1976 Articles in journal or book chapters
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Abstract: | A speckle pattern formed in polarized monochromatic light may be regarded as resulting from a classical random walk in the complex plane. The resulting irradiance fluctuations obey negative exponential statistics, with ratio of standard deviation to mean (i.e., contrast) of unity. Reduction of this contrast, or smoothing of the speckle, requires diversity in polarization, space, frequency, or time. Addition of M uncorrelated speckle patterns on an intensity basis can reduce the contrast by 1/{ extsurd}M. However, addition of speckle patterns on a complex amplitude basis provides no reduction of contrast. The distribution of scale sizes in a speckle pattern (i.e., the Wiener spectrum) is investigated from a physical point of view. |
@Article{goodmanJOptSocAm1976FundamentalPropertiesOfSpeckle, author = {J. W. Goodman}, journal = {J. Opt. Soc. Am.}, title = {Some fundamental properties of speckle}, year = {1976}, month = {Nov}, number = {11}, pages = {1145--1150}, volume = {66}, abstract = {A speckle pattern formed in polarized monochromatic light may be regarded as resulting from a classical random walk in the complex plane. The resulting irradiance fluctuations obey negative exponential statistics, with ratio of standard deviation to mean (i.e., contrast) of unity. Reduction of this contrast, or smoothing of the speckle, requires diversity in polarization, space, frequency, or time. Addition of M uncorrelated speckle patterns on an intensity basis can reduce the contrast by 1/{ extsurd}M. However, addition of speckle patterns on a complex amplitude basis provides no reduction of contrast. The distribution of scale sizes in a speckle pattern (i.e., the Wiener spectrum) is investigated from a physical point of view.}, doi = {10.1364/JOSA.66.001145}, keywords = {Laser light; Laser speckle; Polarization; Spatial frequency; Speckle patterns; Wavefronts}, owner = {ofrey}, publisher = {OSA}, url = {http://www.osapublishing.org/abstract.cfm?URI=josa-66-11-1145}, }
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