A novel temperature sensor and variable optical attenuator based on a high-birefringence fiber loop mirror

  • Y. Yan*
  • , Q. Zhao
  • , S. Chen
  • , L. Liu
  • , H. Zhang
  • , G. Huang
  • , S. Gao
  • , X. Dong
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

A novel variable optical attenuator based on a high-birefringence fiber loop mirror is described. The fiber loop mirror is placed in a controlled-temperature chamber. As the temperature is increased, the transmission spectrum exhibits a shift, while virtually not changing its shape. The degree of attenuation at a wavelength of 1558 nm exceeds 30 dB, while the introduced losses are about 2.5 dB. The temperature-induced shift of the spectrum is strictly linear. The response of the temperature sensor based on this effect is linear with a correlation coefficient of 0.9997. The obtained experimental data are interpreted based on the results of numerical modeling.

Original languageEnglish
Pages (from-to)290-292
Number of pages3
JournalTechnical Physics Letters
Volume31
Issue number4
DOIs
Publication statusPublished - 2005
Externally publishedYes

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