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Proceedings Paper

Miniature in-line photonic-crystal-fiber etalon fabricated by 157nm laser micromachining
Author(s): Zeng-ling Ran; Yun-jiang Rao; Hong-you Deng; Xian Liao
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Paper Abstract

A miniature in-line fiber-optic Fabry-Perot etalon sensor is fabricated on a photonic-crystal-fiber (PCF) by using 157nm laser micromachining for the first time to our knowledge. Experimental results show that such a PCF-based etalon sensor has an excellent fringe visibility of up to ~26dB due to the mirror-finish quality of the two cavity surfaces inside the PCF. This etalon sensor can be used as an ideal one for precise strain measurement under high temperature of up to 800°C. It can offer other outstanding advantages, such as fast and easy fabrication, high reproducibility, capacity of mass-production, low-cost, low temperature-strain cross-sensitivity, and high signal-to-noise ratio, etc.

Paper Details

Date Published: 16 May 2008
PDF: 4 pages
Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 70041E (16 May 2008); doi: 10.1117/12.785748
Show Author Affiliations
Zeng-ling Ran, Univ. of Electronic Science & Technology of China (China)
Yun-jiang Rao, Univ. of Electronic Science & Technology of China (China)
Chongqing Univ. (China)
Hong-you Deng, Univ. of Electronic Science & Technology of China (China)
Xian Liao, Univ. of Electronic Science & Technology of China (China)


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

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