Optical Rotation Sensors

Research efforts were concentrated on passive ring laser rotation sensor technology. Initial efforts were performed on supportive projects, e.g., laser stabilization, followed by a 0.62 sq m passive resonant ring laser gyro (PRRLG), leading to the development of a 60 sq m system mounted on the pneum...

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Bibliographic Details
Main Authors: Rotge',James R, Simmons,Bill J, Kroncke,G Thomas, Stech,Daniel J
Format: Report
Language:English
Subjects:
AIR FORCE
DETECTORS
Earth rate units
ERRORS
FORCE(MECHANICS)
GAS LASERS
GEOPHYSICS
GUIDED MISSILE COMPONENTS
GYROSCOPES
HIGH RESOLUTION
Lasers and Masers
MILITARY REQUIREMENTS
MODE LOCKED LASERS
OPTICAL DETECTORS
OPTICS
PE61102F
PRRLG(Passive Resonant Ring Laser Gyroscopes)
RATES
RING LASERS
ROTATION
SOURCES
STABILIZATION
WUFJSRL2301F168
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Summary:Research efforts were concentrated on passive ring laser rotation sensor technology. Initial efforts were performed on supportive projects, e.g., laser stabilization, followed by a 0.62 sq m passive resonant ring laser gyro (PRRLG), leading to the development of a 60 sq m system mounted on the pneumatically supported isolation test platform (Iso-Pad) at FJSRL. Numerous sub-system tasks and a feasibility 0.62 sq m PRRLG were completed, supporting projections of very high resolution performance by a large 60 sq m PRRLG. The expected performance of the large PRRLG, on the order of 10 to the minus 10th power ERU (earth rate units), would provide an accurate error model applicable to Air Force operational ring laser gyros, a new source of geophysical data, e.g., earth wobble and variations in earth rotation, a proven design concept applicable to Air Force sensor needs as reference to MX instruments tests, and relativity experiments. This report documents the many accomplishments leading to, and the status of the large PRRLG at the date of the PRRLG stop order, November 1985.