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Proceedings Paper

The experiments on linear mode split of HeNe laser by a movable intracavity crystal quartz wedge
Author(s): Shulian Zhang
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Paper Abstract

The experiments are reported on linearly splitting HeNe laser modes using a movable, intracavity crystal quartz wedge. The slope of the curve of mode split is dependent upon the wedge angle and angle between crystalline axis and the laser beam in the laser cavity. When the wedge angle is 9.5 ° and angle between the crystalline axis and laser beam in the cavity is 5 ° , 13 ° and 18 ° , the slope of the mode split curve is about 21KHz / pm, 42KHz / pm and 94.5KHz / pm respectively. It is possible to develope such a experimental device into a microdisplacement sensor with high sensitivity.

Paper Details

Date Published: 26 July 1993
PDF: 2 pages
Proc. SPIE 1983, 16th Congress of the International Commission for Optics: Optics as a Key to High Technology, 19830C (26 July 1993); doi: 10.1117/12.2308431
Show Author Affiliations
Shulian Zhang, Tsinghua Univ. (China)


Published in SPIE Proceedings Vol. 1983:
16th Congress of the International Commission for Optics: Optics as a Key to High Technology
Gyorgy Akos; Tivadar Lippenyi; Gabor Lupkovics; Andras Podmaniczky, Editor(s)

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