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Experiments on the space and wavelength dependence of speckle

George, Nicholas and Jain, Atul and Melville, R. D. S., Jr. (1975) Experiments on the space and wavelength dependence of speckle. Applied Physics, 7 (3). pp. 157-169. ISSN 0340-3793.

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A comprehensive series of speckle experiments is described for opal glass diffusers ranging in thickness from 10 to 500 μm. Wavelength decorrelation measurements are made using a cw dye laser source; and accurate square-law detection is provided by the use of an optic-fiber, photomultiplier combination rather than film. For this diffuser set intensity distribution functions, polarized and unpolarized, are plotted. Second-order correlation functions are presented for different apertures, relating diffuser motion and probe motion. Remote texture determination using contrast ratio and frequency decorrelation is illustrated.

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Additional Information:© 1975 Springer Science and Business Media LLC. Received 03 February 1975; Accepted 04 March 1975. Research supported in part by the Air Force Office of Scientific Research.
Funding AgencyGrant Number
Air Force Office of Scientific Research (AFOSR)UNSPECIFIED
Subject Keywords:Speckle Pattern; Contrast Ratio; Pupil Diameter; Probe Motion; Opal Glass
Issue or Number:3
Record Number:CaltechAUTHORS:20201020-104057925
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Official Citation:George, N., Jain, A. & Melville, R.D.S. Experiments on the space and wavelength dependence of speckle. Appl. Phys. 7, 157–169 (1975).
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:106169
Deposited By: Tony Diaz
Deposited On:20 Oct 2020 20:48
Last Modified:20 Oct 2020 20:48

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