Single-LED optical fiber sensor system using a novel polarization-modulated compensation technique

Xiaodan Jin; Yanbiao Liao; Shurong Lai; Huafeng Zhao

doi:10.1117/12.229235

3 January 1996 Single-LED optical fiber sensor system using a novel polarization-modulated compensation technique

Xiaodan Jin, Yanbiao Liao, Shurong Lai, Huafeng Zhao

Proceedings Volume 2594, Self-Calibrated Intelligent Optical Sensors and Systems; (1996) https://doi.org/10.1117/12.229235
Event: Photonics East '95, 1995, Philadelphia, PA, United States

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.

Citation Download Citation

Xiaodan Jin, Yanbiao Liao, Shurong Lai, and Huafeng Zhao "Single-LED optical fiber sensor system using a novel polarization-modulated compensation technique", Proc. SPIE 2594, Self-Calibrated Intelligent Optical Sensors and Systems, (3 January 1996); https://doi.org/10.1117/12.229235

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