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Proceedings Paper

Intensity modulated temperature sensor based on the photonic crystal fibers filled with magnetic fluid
Author(s): Yinping Miao; Yan Liu; Bo Liu; Kailiang Zhang; Hao Zhang; Qida Zhao
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Paper Abstract

We propose a photonic crystal fiber (PCF) temperature sensor that is based on intensity modulation by magnetic fluid (MF) filling of air holes with index-guiding PCF. Temperature characteristic of MF-filled PCF is investigated without magnetic field and with weak magnetic field. The results show that light is still guided by total internal reflection (TIR) in this device because MF has a smaller refractive index than the material in the fiber core; the transmission power of the MF-filled PCF is used as the sensor signal to investigate its temperature properties. The temperature sensitivity of transmission power was experimentally determined to be 0.06dBm/oC for a 10cm-long PCF without applying magnetic field.

Paper Details

Date Published: 17 May 2011
PDF: 4 pages
Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 775347 (17 May 2011); doi: 10.1117/12.885325
Show Author Affiliations
Yinping Miao, Tianjin Univ. of Technology (China)
Yan Liu, Tianjin Univ. of Technology (China)
Bo Liu, Nankai Univ. (China)
Kailiang Zhang, Tianjin Univ. of Technology (China)
Hao Zhang, Nankai Univ. (China)
Qida Zhao, Nankai Univ. (China)


Published in SPIE Proceedings Vol. 7753:
21st International Conference on Optical Fiber Sensors
Jacques Albert; Wojtek J. Bock, Editor(s)

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