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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 24, Iss. 2 — Feb. 1, 2006
  • pp: 861–

High-Temperature Fiber-Tip Pressure Sensor

Yizheng Zhu, Kristie L. Cooper, Gary R. Pickrell, and Anbo Wang

Journal of Lightwave Technology, Vol. 24, Issue 2, pp. 861- (2006)


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Abstract

This paper presents a miniature fiber-optic high-temperature pressure sensor fabricated on the tip of a singlemode (SM) fiber by means of fusion splicing, cleaving, and wet chemical etching. A new approach was developed to simplify the fabrication and greatly improve the sensitivity. The sensor is made entirely of fused silica, whose high-temperature sensing capability is explored in detail for the first time. Two sensors were tested up to 611 °C and 710 °C, respectively, showing excellent repeatability better than 0.62% and 1.4%. The maximum operating temperature is limited by the mechanical creep of the fused silica diaphragm.

© 2006 IEEE

Citation
Yizheng Zhu, Kristie L. Cooper, Gary R. Pickrell, and Anbo Wang, "High-Temperature Fiber-Tip Pressure Sensor," J. Lightwave Technol. 24, 861- (2006)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-24-2-861

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