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Evaluation of the decay in temporal coherence of a laser beam propagating in a slowly fluctuating medium

Evaluation of the decay in temporal coherence of a laser beam propagating in a slowly fluctuating medium
Evaluation of the decay in temporal coherence of a laser beam propagating in a slowly fluctuating medium
A simple method is described for evaluating the change in temporal coherence which occurs when a monochromatic light wave traverses a medium the properties of which fluctuate randomly. The degree of second-order coherence is formulated in terms of the amplitude and phase autocorrelation functions which are derived from the photocurrent produced in a light beating experiment. This method makes it possible to evaluate even a small deterioration in temporal coherence which is closely related to the frequency fluctuations in the light wave. The change in temporal coherence of a laser beam propagating through a slowly fluctuating gaseous path has been measured
0030-4018
205-210
Ohtsuka, Y.
fbdc0d4f-4788-4db3-a003-f3507b70fff8
Gambling, W.A.
70d15b3d-eaf7-44ed-9120-7ae47ba68324
Ohtsuka, Y.
fbdc0d4f-4788-4db3-a003-f3507b70fff8
Gambling, W.A.
70d15b3d-eaf7-44ed-9120-7ae47ba68324

Ohtsuka, Y. and Gambling, W.A. (1975) Evaluation of the decay in temporal coherence of a laser beam propagating in a slowly fluctuating medium. Optics Communications, 14 (2), 205-210. (doi:10.1016/0030-4018(75)90214-X).

Record type: Article

Abstract

A simple method is described for evaluating the change in temporal coherence which occurs when a monochromatic light wave traverses a medium the properties of which fluctuate randomly. The degree of second-order coherence is formulated in terms of the amplitude and phase autocorrelation functions which are derived from the photocurrent produced in a light beating experiment. This method makes it possible to evaluate even a small deterioration in temporal coherence which is closely related to the frequency fluctuations in the light wave. The change in temporal coherence of a laser beam propagating through a slowly fluctuating gaseous path has been measured

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Published date: June 1975

Identifiers

Local EPrints ID: 379648
URI: http://eprints.soton.ac.uk/id/eprint/379648
ISSN: 0030-4018
PURE UUID: a1047cbe-00f1-4d39-b0b1-6c92ba846725

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Date deposited: 06 Aug 2015 11:15
Last modified: 11 Dec 2021 07:13

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Contributors

Author: Y. Ohtsuka
Author: W.A. Gambling

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