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Optical Engineering

Application of the Injection Laser as a Reference Source in Cryogenic Interferometry
Author(s): Steven P. Tomczak
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Paper Abstract

An Ali_xGaxAs, injection laser has been employed as a reference source in a rapid scan cryogenic interferometer spectrometer. The interferometer was designed to operate at 20°K with a scan velocity of 1 cm/sec and a spectral resolution of 2 cm-1. The slide velocity control and sampling requirements for a continuous drive interferometer are discussed and those properties which are needed in choosing and calibrating an injection reference laser are given. The relative advantages and limitations of an injection reference laser are given and are related to the laser's spectral purity, threshold condition, power efficiency, and beam pattern.

Paper Details

Date Published: 1 August 1974
PDF: 5 pages
Opt. Eng. 13(4) 134322 doi: 10.1117/12.7971714
Published in: Optical Engineering Volume 13, Issue 4
Show Author Affiliations
Steven P. Tomczak, Honeywell Radiation Center (United States)

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