Abstract
Modal scrambling is a source of noise and signal fading in fiber-optic gyros1 and therefore the best fiber-optic gyros use single-mode polarization preserving fiber and couplers2. Phase-conjugation can be used to correct for modal scrambling3-5 and to make fiber-optic gyros6-9. In this paper we describe and demonstrate the combination of these two possiblities; a phase-conjugate fiber-optic gyro using multimode fiber.
© 1987 Optical Society of America
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