Optical amplification for the fiber interferometer gyro

Details Optical amplification for the fiber interferometer gyro Optical amplification for the fiber interferometer gyro

1979-11-19

1981-09-29

Corbin, John K.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01B 902

Patent

active

042919843

ABSTRACT:
An improvement for a fiber interferometer gyro provides for greater rotation rate sensitivity. The gyro has a single mode fiber coiled about an identical area a great number of times. A single external laser sends pulses of energy which are split and passed in opposite directions through the coiled fiber and a pair of optical amplifiers inserted to amplify the energy pulses. This permits the length of the coiled fiber to be increased and, hence, provides for greater interferometer sensitivity.

REFERENCES:
Vali et al., "Fiber Ring Interferometer", Applied Optics, vol. 15, No. 5, . 1099-1100, May 1976.
Chown, "Repeaters for Optical Communications Systems", Optical Repeaters.

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