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Proceedings Paper

Laser-machined all-fiber in-line tip pressure sensor
Author(s): Zengling Ran; Yunjiang Rao; Jian Zhang; Bing Xu
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Paper Abstract

A miniature all-fiber in-line tip pressure sensor fabricated by 157nm laser pulses is proposed and demonstrated, for the first time to our knowledge. Such a pressure sensor can be operated under high temperature due to its all silica structure. The sensor has been tested for pressure sensing over 0MPa~60MPa, showing a pressure sensitivity of ~83.3pm/MPa, an excellent linearity of 99.998%, and a long-term stability of ±0.03MPa, respectively. Such a miniature fiber-optic pressure sensor could find important applications in automotive and aerospace industries, and down-hole monitoring, etc, due to its extreme compactness, capability for operation at high temperature, easy fabrication, excellent stability, good potential for mass-production.

Paper Details

Date Published: 5 October 2009
PDF: 4 pages
Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75032X (5 October 2009); doi: 10.1117/12.835840
Show Author Affiliations
Zengling Ran, Univ. of Electronic Science and Technology of China (China)
Yunjiang Rao, Univ. of Electronic Science and Technology of China (China)
Chonqing Univ. (China)
Jian Zhang, Univ. of Electronic Science and Technology of China (China)
Bing Xu, Univ. of Electronic Science and Technology of China (China)


Published in SPIE Proceedings Vol. 7503:
20th International Conference on Optical Fibre Sensors
Julian D. C. Jones, Editor(s)

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