Journal
OPTIK
Volume 130, Issue -, Pages 813-817Publisher
ELSEVIER GMBH, URBAN & FISCHER VERLAG
DOI: 10.1016/j.ijleo.2016.11.003
Keywords
Single-mode fiber; Temperature sensor; Macrobending loss; Absorption coating; Nickel coating
Categories
Funding
- National Natural Science Foundation of China [51265035]
- Natural Science Foundation of Jiangxi province [20151BAB207047]
- Science Funding in Education Department of Jiangxi province, China [GJJ151129]
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A light intensity modulation temperature sensor based on U-shaped bent single-mode fiber is presented, which has been employed in a ratiometric power measurement scheme and a FBG temperature calibration system. The sensor is a U-shaped fiber with double coating, i.e., inner absorptive India ink coating and outer nickel protection coating. An approximately linear relationship between the bend loss of the fiber and temperature is obtained, when the temperature of the sensor is varied from 0 C to 80 degrees C. The proposed sensor shows a bend loss response of 0.023 dB/degrees C and a temperature resolution of 0.5 degrees C. (C) 2016 Elsevier GmbH. All rights reserved.
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