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Performance characterization of fiber Bragg grating thermal response in space vacuum thermal environment.

Rev Sci Instrum

December 2013

College of Precision Instrument and Opto-Electronics Engineering, Tianjin University, Key Laboratory of Opto-Electronics Information Technical (Tianjin University), Ministry of Education, Tianjin 300072, China.

Article Synopsis
  • The study focused on how fiber Bragg grating (FBG) sensors react to extreme temperatures in a vacuum, crucial for space applications.
  • The sensors were tested in a liquid nitrogen environment, resulting in a low wavelength shift standard deviation, indicating stable performance over time.
  • The findings demonstrate that these metal-packaged FBG sensors can operate accurately (<2% error) and have minimal hysteresis errors (<1%), making them suitable for space measurement needs.
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