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Title: Fiber-optic anemometer based on metal infiltrated microstructured optical fiber inscribed with Bragg grating
Authors: Wang, J
Gao, S
Liu, Z
Zhang, AP 
Shen, Y
Tam, H 
Keywords: Anemometer
Fiber sensor
Microstructured optical fiber
Issue Date: 2015
Publisher: SPIE-International Society for Optical Engineering
Source: Proceedings of SPIE : the International Society for Optical Engineering, v. 9634, 96341M How to cite?
Journal: Proceedings of SPIE : the International Society for Optical Engineering 
Abstract: An all-fiber optical anemometer with high light-heat conversion efficiency by using an in-house microstructured optical fiber Bragg grating (MOFBG) is presented. Low-molten-temperature BiSnIn alloy was successfully infiltrated into 11- cm length of a six-hole microstructured optical fiber which was inscribed with a fibre Bragg grating (FBG) centered at ~848 nm. Light launched into the MOFBG was strongly absorbed by the metal to generate heat, while the FBG was utilized to monitor temperature change due to surrounding wind speed. The sensitivity of the laser-heated MOFBG anemometer was measured to be ~0.1 nm/(m/s) for wind speed ranged from 0.5 m/s to 2 m/s. The efficiency of the anemometer, defined as effective sensitivity per pump power, is 8.7 nm/(m/s∗W).
ISBN: 9781628418392
ISSN: 0277-786X
EISSN: 1996-756X
DOI: 10.1117/12.2194536
Appears in Collections:Conference Paper

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