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Proceedings Paper

In-line fluidic absorption coefficient sensor based on optical microfiber
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Paper Abstract

An in-line fluidic absorption coefficient sensor based on the optical microfiber (OM) is proposed. We calculate the insertion loss of the OM per millimeter after immerged into liquid with various absorption coefficients. Then a 1.8μm diameter OM with 10 millimeters uniform waist region is used to analyze the absorption of pure water, and the absorption spectrum from 1525nm-1565nm is achieved from the experiment, agreeing well with the reported absorption coefficient. The in-line fluidic absorption coefficient sensor has potentially wide sensing range by controlling the construction of OM for many kinds of absorptive liquids with lower refractive index than silica.

Paper Details

Date Published: 7 November 2012
PDF: 4 pages
Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 842183 (7 November 2012); doi: 10.1117/12.975164
Show Author Affiliations
Zhengtong Wei, National Univ. of Defense Technology (China)
Zhangqi Song, National Univ. of Defense Technology (China)
Xueliang Zhang, National Univ. of Defense Technology (China)
Zhou Meng, National Univ. of Defense Technology (China)


Published in SPIE Proceedings Vol. 8421:
OFS2012 22nd International Conference on Optical Fiber Sensors
Yanbiao Liao; Wei Jin; David D. Sampson; Ryozo Yamauchi; Youngjoo Chung; Kentaro Nakamura; Yunjiang Rao, Editor(s)

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