Optics: measuring and testing – By dispersed light spectroscopy – Utilizing a spectrometer
Patent
1978-09-05
1981-06-09
Stern, Ronald J.
Optics: measuring and testing
By dispersed light spectroscopy
Utilizing a spectrometer
250225, G01C 1964
Patent
active
042721946
ABSTRACT:
A rotation sensitive ring laser system comprising an optical loop including a polarizing beam splitter in the loop, the laser gain medium being outside the loop, and a quarter wave plate in the path of light emanating from the loop for converting the light into linearly polarized light, the plane of polarization of which is rotating at an angular rate proportional to the angular rate with which the system is rotating in inertial space.
REFERENCES:
patent: 3692385 (1972-09-01), Gievers
patent: 3841758 (1974-10-01), Gievers
Arnold Bruce Y.
Gievers Christa L.
Stern Ronald J.
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