Etalon laser mode selector
Patent
·
OSTI ID:5044791
A Fabry-Perot etalon is mounted within the optical cavity of a laser for selecting the wavelength of the output radiation of that laser from a plurality of discrete wavelengths closely distributed about a nominal wavelength. The etalon includes a pair of closely spaced prisms mounted along the optical axis of the laser cavity with the laser beam passing therethrough. Each of the prisms has a first surface facing outwardly of the etalon and inclined at a slight angle to a normal to the optical axis, and each prism includes a second surface optically adjacent and spaced from the second surface of the other prism, each such second surface being inclined relative to its respective first surface.
- Assignee:
- Coherent, Inc.
- Patent Number(s):
- US 4081760
- OSTI ID:
- 5044791
- Resource Relation:
- Patent File Date: Filed date 3 Jun 1976
- Country of Publication:
- United States
- Language:
- English
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