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Proceedings Paper

Polarization Induced Noise In Acousto-Optic (AO) Modulation Of Internal Mirror He-Ne Laser Beams
Author(s): J. A. Duardo; W. F. Hug; J. A. Lucero
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Paper Abstract

A number of investigations have been performed at XEOS for the purposes of: (1) characterizing the time-dependent polarization states of the 632.8 nm output beam of internal mirror He-Ne lasers, and (2) evaluating the effect of beam polarization on the Bragg diffraction efficiency of an AO modulator. The results of these two lines of investigation have suggested that, under certain circumstances, extraneous fluctuations or noise can be induced in the diffracted beam by polarization fluctuations of the laser beam. It is the purpose of this report to define the conditions under which polarization induced noise is produced, to evaluate the magnitudes of these effects, and to suggest practical methods by which polarization noise can be eliminated.

Paper Details

Date Published: 10 September 1980
PDF: 11 pages
Proc. SPIE 0222, Laser Scanning and Recording for Advanced Image and Data Handling, (10 September 1980); doi: 10.1117/12.958643
Show Author Affiliations
J. A. Duardo, Xerox Electro-Optical Systems (United States)
W. F. Hug, Xerox Electro-Optical Systems (United States)
J. A. Lucero, Xerox Electro-Optical Systems (United States)

Published in SPIE Proceedings Vol. 0222:
Laser Scanning and Recording for Advanced Image and Data Handling
Albert A. Jamberdino, Editor(s)

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