In-fiber twist sensor based on a fiber Bragg grating with 81° tilted structure

X. Chen*, K. Zhou, L. Zhang, I. Bennion

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

We report a strong polarization dependent coupling behavior of fiber Bragg gratings with excessively tilted structures up to 81°. This unique property has been utilized to implement a novel twist sensor, showing high torsion sensitivity. The twist induced light coupling interchange between the two birefringence modes makes it possible to interrogate such a sensor using low-cost intensity demodulation technique. © 2006 IEEE.

Original languageEnglish
Pages (from-to)2596-2598
Number of pages3
JournalIEEE Photonics Technology Letters
Volume18
Issue number24
DOIs
Publication statusPublished - 15 Dec 2006

Fingerprint

Fiber Bragg gratings
Bragg gratings
fibers
Fibers
sensors
Sensors
Interchanges
demodulation
Demodulation
Birefringence
Torsional stress
torsion
birefringence
Polarization
sensitivity
polarization
Costs

Keywords

  • fiber grating
  • optical sensor
  • polarization mode split
  • twist sensor

Cite this

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In-fiber twist sensor based on a fiber Bragg grating with 81° tilted structure. / Chen, X.; Zhou, K.; Zhang, L.; Bennion, I.

In: IEEE Photonics Technology Letters, Vol. 18, No. 24, 15.12.2006, p. 2596-2598.

Research output: Contribution to journalArticle

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AU - Zhou, K.

AU - Zhang, L.

AU - Bennion, I.

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