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Fiber-optic acoustic pressure sensor based on large-area nanolayer silver diaghragm
Xu, Feng Shi, Jinhui Gong, Kui Li, Hefei Hui, Rongqing Yu, Benli
Xu, Feng
Shi, Jinhui
Gong, Kui
Li, Hefei
Hui, Rongqing
Yu, Benli
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Abstract
A fiber-optic acoustic pressure sensor based on a large-area nanolayer silver diaphragm is demonstrated with a high dynamic pressure sensitivity of 160 nm/Pa at 4 kHz frequency. The sensor exhibits a noise limited detectable pressure level of 14.5 μPa/Hz1/2. Its high dynamic pressure sensitivity and simple fabrication process make it an attractive tool for acoustic sensing and photo-acoustic spectroscopy.
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This is the published version. © 2014 Optical Society of America
Date
2014-05-15
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Optical Society of America
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Feng Xu, Jinhui Shi, Kui Gong, Hefei Li, Rongqing Hui, and Benli Yu, "Fiber-optic acoustic pressure sensor based on large-area nanolayer silver diaghragm," Opt. Lett. 39, 2838-2840 (2014). http://dx.doi.org/10.1364/OL.39.002838