High-temperature fiber-tip pressure sensor

  title={High-temperature fiber-tip pressure sensor},
  author={Yizheng Zhu and K. Cooper and G. Pickrell and Anbo Wang},
  journal={Journal of Lightwave Technology},
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/spl deg/C and 710/spl deg/C, respectively, showing… CONTINUE READING
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