We demonstrate asymmetric Michelson fiber interferometer with a spatial mode beating arm where its output end has a sphered-end hollow-core fiber as a sensing head. The multiple foci can offer the advantage for direction determination.
© 2012 OSA
N. Chen, K. Lu, and C. Lin, "Asymmetric fiber Michelson interferometer with a spatial mode beating arm for moving direction determination," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (online) (Optical Society of America, 2012), paper CM4B.7.
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