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Proceedings Paper

Liquid refractive index and temperature measurement based on LPFG
Author(s): Cheng Wang; Zheng Ping Wang; Guo Sheng Zhang; Ren De Ma; Yi Min Zhang
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Paper Abstract

Based on the mode equations of the core mode LP01 and the cladding mode LP0M, combining with the phase matching condition, a method for simultaneous measurement of liquid refractive index and temperature using a single resonance peak of long-period fiber grating's transmission spectrum is proposed. The operational principle is analyzed; experiments are conducted. The theoretical results are compared with those of the experiments. The results show that they are in accordance with each other.

Paper Details

Date Published: 5 March 2007
PDF: 5 pages
Proc. SPIE 6595, Fundamental Problems of Optoelectronics and Microelectronics III, 65952X (5 March 2007); doi: 10.1117/12.725915
Show Author Affiliations
Cheng Wang, Harbin Engineering Univ. (China)
Zheng Ping Wang, Harbin Engineering Univ. (China)
Guo Sheng Zhang, Harbin Engineering Univ. (China)
Beijing Institute of Graphic Communication (China)
Ren De Ma, Harbin Engineering Univ. (China)
Yi Min Zhang, Harbin Engineering Univ. (China)

Published in SPIE Proceedings Vol. 6595:
Fundamental Problems of Optoelectronics and Microelectronics III
Yuri N. Kulchin; Jinping Ou; Oleg B. Vitrik; Zhi Zhou, Editor(s)

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