External cavity wavelength stabilized Raman lasers insensitive to temperature and/or external mechanical stresses, and Raman analyzer utilizing the same
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United States of America Patent
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Issued Date -
Mar 2, 2006
app pub date -
Apr 29, 2005
filing date -
Aug 30, 2004
priority date (Note) -
Abandoned
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Abstract
An external cavity wavelength stabilized laser system including a platform, a laser mounted to the platform with a laser mount, a diffractor mounted to the platform with a diffractor mount, and a lens mounted to the platform with a lens mount between the laser and the diffractor so as to transmit light therebetween wherein the wavelength of the laser is determined by (i) the angle of incidence of the light on the diffractor and (ii) the diffraction characteristics of the diffractor and wherein the system components are selected so that (i) a change in the angle of incidence of the light on the diffractor due to a change in the temperature of the system components substantially offsets (ii) a change in the diffraction characteristics of the diffractor.
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