The Fiber-Optic Gyroscope, Second Edition by Herve C. Lefevre

Author:Herve C. Lefevre [Lefevre, Herve C.]
Language: eng
Format: azw3, epub
Publisher: Artech House Publishers
Published: 2014-10-01T04:00:00+00:00

Figure 11.2 Comparison between (a) resonator response (transmission port) and (b) interferometer response (reciprocal port).

It can be seen that the resonance response curve (for one direction) is equivalent to the response of a two-wave interferometer, which would have a coil length L that is F/4 times larger than the length Lr of the ring cavity. As will be seen later, the sensitivity is actually multiplied by two by comparing the resonances between the opposite directions, which divides the dynamic range by two.

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