Optical waveguides – With optical coupler – Particular coupling function
Patent
1990-09-25
1992-08-04
Lee, John D.
Optical waveguides
With optical coupler
Particular coupling function
356350, G02B 626
Patent
active
051366681
ABSTRACT:
A fibre optic gyroscope including a fibre optic loop, a radiation source for generating a broadband signal, splitting means for splitting radiation from the source into two components and inserting them into the loop in clockwise (CW) and counter clockwise (CCW) directions, recombining means for recombining the components interferometrically to give an indication of rotation rate of the loop, characterized in that there is further provided amplification means for amplifying both components travelling within the loop.
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"An All Fibre Ring Resonator Gyroscope Using a Low Coherence Length Source", F. Farahi, K. Kalli, and D. A. Jackson, Physics Laboratories, University of Kent, Canterbury, Kent CT27NR, UK pp. 101-106, Springer Proceedings in Physics, vol. 44, Optical Fiber Sensors, 1989.
British Aerospace PLC
Lee John D.
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