Fiber-optic gyroscope with [3×3] directional coupler
- 15 November 1980
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 37 (10), 869-871
- https://doi.org/10.1063/1.91867
Abstract
It is proposed and experimentally demonstrated that a fiber‐optic gyroscope using a [3×3] evanescent field‐directional coupler as a beam splitter operates automatically at quadrature without the 1/2 π phase bias required by conventional gyroscopes with [2×2] beam splitters.Keywords
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