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Proceedings Paper

High temperature sensor based on a photonic crystal fiber interferometer
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Paper Abstract

We demonstrate a high temperature sensor by using an intrinsic photonic crystal fiber (PCF) based Mach-Zehnder interferometer. Air hole collapsed regions inside the PCF act as coupler between the core and cladding modes which form the two arms of the interferometer. The temperature measurements are obtained by measuring the shift in the peaks of the interference signal. The experiments confirm the reliability, repeatability and hysteresis. The small amount of hysteresis and deviation in the repeated experiments are within the experimental errors.

Paper Details

Date Published: 16 May 2008
PDF: 4 pages
Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 700407 (16 May 2008); doi: 10.1117/12.785929
Show Author Affiliations
Myoung Jin Kim, Gwangju Institute of Science and Technology (South Korea)
Kwan Seob Park, Gwangju Institute of Science and Technology (South Korea)
Hae Young Choi, Gwangju Institute of Science and Technology (South Korea)
Se-Jong Baik, Chonnam National Univ. (South Korea)
Kiegon Im, Chonnam National Univ. (South Korea)
Byeong Ha Lee, Gwangju Institute of Science and Technology (South Korea)


Published in SPIE Proceedings Vol. 7004:
19th International Conference on Optical Fibre Sensors

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