Low Q body-dithered laser gyro assembly
Patent
·
OSTI ID:6798822
This patent describes the combination comprising: a gyro having two counter-rotating beams of monochromatic light traveling along a closed loop path, the output of the gyro representing the frequency difference between the beams and a measure of rotation of the gyro; means coupled to the gyro for imparting a dither motion thereto, the gyro and dither means forming an assembly; means damping the gyro and dither means assembly to form a low Q assembly which is responsive to a wide range of frequency components; and means for frequency modulating the dither motion imparted to the gyro to eliminate errors in the output of the gyro caused by lock-in of the beams.
- Assignee:
- Sundstrand Corp., Rockford, IL
- Patent Number(s):
- US 4653918
- OSTI ID:
- 6798822
- Country of Publication:
- United States
- Language:
- English
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