Refractive index sensor based on a step index multimode polymer optical fiber with a micro-hole created by a miniature numerical control machine
Chinese Optics Letters, Vol. 11, Issue 2, pp. 020601- (2013)
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Abstract
A compact in-fiber refractive index (RI) sensor based on a step index multimode polymer optical fiber with a micro-hole drilled by a miniature numerical control machine is presented. A good linear relationship between the transmission and RI over a large operating range from 1.335 to 1.475 and a sensitivity of 36 071.43 mV/RIU (RI unit) are found. The relationship between the transmission and the RI of the hole depends on the micro-hole's diameter and depth. The RI sensor developed in this letter is low-cost, easily fabricated, and capable of continuous measurement.
© 2013 Chinese Optics Letters
OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2370) Fiber optics and optical communications : Fiber optics sensors
Citation
Gaopeng Xin, Kun Peng, Zhimin Gu, Jian Zhao, Ruiqin Fan, Lu Liu, and Xiaofeng Xu, "Refractive index sensor based on a step index multimode polymer optical fiber with a
micro-hole created by a miniature numerical control machine," Chin. Opt. Lett. 11, 020601- (2013)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-11-2-020601
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