We report a novel in-fibre twist sensor utilising strong polarisation dependent coupling behaviour of fiber Bragg grating with 81° tilted structure. The demonstrated twist sensor has shown high torsion sensitivity and capability of direction recognition.
|Title of host publication||Optical Fiber Sensors, OSA Technical Digest (CD)|
|Number of pages||4|
|Publication status||Published - Oct 2006|
Bibliographical note18th International Conference on Optical Fibre Sensors, 23 October 2006, Cancún (MX).
- in-fibre twist sensor
- coupling behaviour
- fiber Bragg grating
- 81° tilted structure
- torsion sensitivity
- direction recognition