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Proceedings Paper

The co-measurement of pressure and surrounding refractive index based on LPGs
Author(s): Jingjing Zhu; Yurong Jiang; Wei Xue
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Paper Abstract

A novel optical fiber sensor for simultaneous measurement of pressure and surrounding refractive index (RI) based on long period gratings (LPGs) is proposed and demonstrated. This device consists of two LPGs with different wavelengths, one of them is shielded from the environment, therefore, is insensitive with surrounding RI. Since the resonant peaks of these two LPGs change differently, the simultaneous measurement has been done. The experimental results show that the device has a good performance in measurement.

Paper Details

Date Published: 9 November 2010
PDF: 6 pages
Proc. SPIE 7853, Advanced Sensor Systems and Applications IV, 785341 (9 November 2010); doi: 10.1117/12.867497
Show Author Affiliations
Jingjing Zhu, Beijing Institute of Technology (China)
Yurong Jiang, Beijing Institute of Technology (China)
Wei Xue, Beijing Institute of Technology (China)


Published in SPIE Proceedings Vol. 7853:
Advanced Sensor Systems and Applications IV
Brian Culshaw; Yanbiao Liao; Anbo Wang; Xiaoyi Bao; Xudong Fan; Lin Zhang, Editor(s)

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