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15 October 2013 Highly sensitive hydrostatic pressure sensor based on a selectively filled photonic crystal fiber
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Proceedings Volume 8924, Fourth Asia Pacific Optical Sensors Conference; 89242O (2013) https://doi.org/10.1117/12.2031481
Event: Asia Pacific Optical Sensors Conference 2013, 2013, Wuhan, China
Abstract
In this paper, we demonstrate a hydrostatic pressure sensor based on a liquid filled solid-core photonic crystal fiber (PCF). A single cladding hole of the PCF is selectively filled with the assistance of femtosecond laser micromachining. The filled PCF presents several loss dips in the transmission spectrum due to the resonant couplings from the core mode to the LP11 liquid modes. Pressure measurement is performed by monitoring the wavelength shift of the dips. The pressure sensitivities are -0.452 and -0.621nm/MPa for two of them, respectively.
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Meng Lin, Long Jin, Ying Wang, and Bai-Ou Guan "Highly sensitive hydrostatic pressure sensor based on a selectively filled photonic crystal fiber", Proc. SPIE 8924, Fourth Asia Pacific Optical Sensors Conference, 89242O (15 October 2013); https://doi.org/10.1117/12.2031481
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