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24 November 2023 Micro-lab on tip: Michelson interference and Fabry-Perot interference cascade dual-core optical fiber sensor
Peng Ye, Jing Yang, Binbing Li, Xixin Li, Jinhui Shi, Chunying Guan
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Proceedings Volume 12935, Fourteenth International Conference on Information Optics and Photonics (CIOP 2023); 129353M (2023) https://doi.org/10.1117/12.3007792
Event: Fourteenth International Conference on Information Optics and Photonics (CIOP 2023), 2023, Xi’an, China
Abstract
Microfabrication of microstructures on the end of an optical fiber is a challenge. A double-interferometer cascaded sensor on the end face of a dual-core fiber is demonstrated to measure the refractive index and temperature. The Michelson interferometer consists of two cores of dual-core fiber, where one core is spliced with a flat-topped microtip, and the Fabry-Perot interferometer is constructed based on an epoxy resin microcap. The fabricated sample achieved a refractive index sensitivity of -14880 nm/RIU and a temperature sensitivity of -374.2 pm/℃. The optical fiber tip microlaboratory has a robust structure and low manufacturing cost.
(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Peng Ye, Jing Yang, Binbing Li, Xixin Li, Jinhui Shi, and Chunying Guan "Micro-lab on tip: Michelson interference and Fabry-Perot interference cascade dual-core optical fiber sensor", Proc. SPIE 12935, Fourteenth International Conference on Information Optics and Photonics (CIOP 2023), 129353M (24 November 2023); https://doi.org/10.1117/12.3007792
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KEYWORDS
Refractive index
Fabry–Perot interferometry
Michelson interferometers
Fiber optics sensors
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