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Fiber-Optic Inclinometer Based on Taper Michelson Interferometer
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Orientador(es)
Resumo(s)
A compact fiber-optic inclinometer based on a fiber-taper Michelson interferometric sensor is constructed and demonstrated. The sensor consist of a single symmetrically taper waist of 80 micron distanced 30 mm from the single-mode fiber end-tip right-angled cleaved. The amplitude of the bending angle of the fiber taper interferometer is obtained by passive interferometric interrogation based on the generation of two quadrature phase-shifted signals from two fiber Bragg gratings with different resonant wavelengths. Optical phase-to-bending sensitivity of ~1.13 rad/degree and a bend angle resolution of ~0.014degree/Hz^1/2 were achieved.
Descrição
Palavras-chave
Fiber Bragg gratings Fiber taper Inclinometer Modal sensor Tilt measurement
Contexto Educativo
Citação
Editora
Institute of Electrical and Electronics Engineers