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Proceedings Paper

Single-LED optical fiber sensor system using a novel polarization-modulated compensation technique
Author(s): Xiaodan Jin; Yanbiao Liao; Shurong Lai; Huafeng Zhao
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Paper Abstract

A novel compensation technique for polarization-modulated optical fiber sensors is proposed, which employs a single LED to provide the measurement and the reference signals. In the sensor head, a polarization beam splitter is used not only as a polarizer, but also as an analyzer, and the reflective structure is used so that the sensor head is simple, compact and reliable. A loss-compensated temperature sensor based on the thermal effect of birefringent crystal is demonstrated. The experimental results show that this compensation technique can stabilize the sensor output with a high accuracy and better long-term stability.

Paper Details

Date Published: 3 January 1996
PDF: 6 pages
Proc. SPIE 2594, Self-Calibrated Intelligent Optical Sensors and Systems, (3 January 1996); doi: 10.1117/12.229235
Show Author Affiliations
Xiaodan Jin, Tsinghua Univ. (China)
Yanbiao Liao, Tsinghua Univ. (China)
Shurong Lai, Tsinghua Univ. (China)
Huafeng Zhao, Tsinghua Univ. (China)

Published in SPIE Proceedings Vol. 2594:
Self-Calibrated Intelligent Optical Sensors and Systems
Anbo Wang, Editor(s)

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