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Study of output properties of fiber optic displacement sensor at the 77 and 4.2 K environment

  • Xin Ning Hu
  • , Qiu Liang Wang
  • , Chun Yan Cui
  • , Li Han
  • , Liang Xie
  • CAS - Institute of Electrical Engineering
  • University of Chinese Academy of Sciences
  • CAS - Institute of Semiconductors

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

A compensated fiber optic displacement sensor (CFODS) which can be applied in the cryogenic instrument was introduced. The output properties of the CFODS at liquid nitrogen temperature (77 K) and liquid helium temperature (4.2 K) were studied. It is found that the sensitivity of the CFODS is 0.311 mm-1 at 77 K that is higher than 0.278 mm-1 at 4.2 K.

Original languageEnglish
Pages (from-to)294-297
Number of pages4
JournalGuangdianzi Jiguang/Journal of Optoelectronics Laser
Volume20
Issue number3
StatePublished - Mar 2009

Keywords

  • Cryogenics
  • Fiber optic sensor
  • Micro-displacement
  • Semiconductor

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