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


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).

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Description/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.

Item Type: Article
ISSNs: 0030-4018 (print)
Related URLs:
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Physical Sciences and Engineering > Optoelectronics Research Centre
ePrint ID: 343398
Date Deposited: 04 Oct 2012 13:48
Last Modified: 27 Mar 2014 20:25
URI: http://eprints.soton.ac.uk/id/eprint/343398

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