Optical fiber gyroscope

Details Optical fiber gyroscope Optical fiber gyroscope

G - Physics

01

C

G01C 19/72 (2006.01) G02B 6/44 (2006.01)

Patent

CA 2266950

Disclosed is an optical fiber gyroscope comprising a fiber coil composed of a lengthy optical fiber wound therearound in a predetermined number of turns, a coupler for optically coupling an optical fiber led from a light source and an optical fiber led to a photodetector, and an optical IC chip arranged between the fiber coil and the coupler and provided with a phase modulator and a polarizer mounted on an optical waveguide, the optical fiber gyroscope further comprising a fiber coil reel around which the lengthy optical fiber for constructing the fiber coil is wound in the predetermined number of turns, a coupler reel around which the optical fibers led in both directions from the coupler are wound in a predetermined number of turns, and a housing member including a plurality of compartments (reel-placing region, frame, frame) for accommodating at least the both reels, the light source, and the optical IC chip. Accordingly, the optical fiber gyroscope can be easily assembled in unit, and it is possible to effectively reduce the production cost of the optical fiber gyroscope.

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