Optics: measuring and testing – By dispersed light spectroscopy – Utilizing a spectrometer
Patent
1991-10-30
2000-01-11
Hellner, Mark
Optics: measuring and testing
By dispersed light spectroscopy
Utilizing a spectrometer
G01B 0902
Patent
active
060142170
ABSTRACT:
An error reducer for reducing rotation rate backscattering errors in a rotation sensor by adjusting amplitudes of bias phase modulators introduced phase changes or amplitudes of a backscatter phase modulator introduced phase change and bias phase modulator introduced phase changes.
REFERENCES:
patent: 4729622 (1988-03-01), Pavlath
patent: 5120130 (1992-06-01), Bergh
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"Backscatter and the Resonant Fiber-Optic Gyro Scale Factor," R. Carroll et al, Journal of Lightwave Technology, vol. 7, No. 12, Dec. 1989, pp. 1895-1900.
"Adjustment-Free Method to Eliminate the Noise Induced by the Backscattering in an Optical Passive Ring-Resonator Gyro," K. Hotate et al, IEEE Photonics Technology Letters, Fol. 2, No. 1, Jan. 1990, pp. 75-77.
"Experimental Developments in the RFOG," T. Kaiser et al, SPIE, vol. 1367, Fiber Optic and Laser Sensors VIII (1990), pp. 121-126.
"Drift Reduction in an Optical Passive Ring-Resonator Gyro," K. Hotate et al, presented at the Society of Photo-Optical Instrumentation Engineers 15th Anniversary for Fiber Optical Gyroscopes, Sep. 1991.
Demma Nick Anthony
Sanders Glen Aaron
Strandjord Lee Kevin
Hellner Mark
Honeywell Inc.
Kau Albert K.
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