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A novel liquid-level sensor with a high-birefringence-fiber loop mirror (HBFLM) based on a uniform-strength cantilever beam (UCB) is proposed and demonstrated. Part of the high-birefringence fiber is pasted onto the central surface of the UCB. A hollow suspending pole is utilized to apply force at the end of the beam. The applied force varies with the(More)
A low cost, simple, and reflective in-line liquid level sensor based on a tapered fiber Michelson interferometer (TFMI) is proposed. In the study, the configuration, operation principle, experiment results and discussion for the proposed fiber-optic liquid level sensor are investigated. Experimental results show that the proposed TFMI sensor is extremely(More)
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