Abstract
A Michelson interferometer (MI) composite cavity fiber laser sensing system based on radio frequency (RF) interrogation is proposed and experimentally demonstrated. The system down-converts the traditional MI light frequency detection to RF detection, which improves the stability of the system. The optic fiber MI is placed in the laser resonator to form a composite cavity structure, which greatly improves the sensitivity of beat frequency signal demodulation.
© 2022 Chinese Laser Press
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