High sensitivity FBG sensor made in bismuth oxide fibre with ultrafast radiation

Dan Grobnic; Robert B. Walker; Christopher W. Smelser; Stephen J. Mihailov

doi:10.1117/12.835445

5 October 2009 High sensitivity FBG sensor made in bismuth oxide fibre with ultrafast radiation

Dan Grobnic, Robert B. Walker, Christopher W. Smelser, Stephen J. Mihailov

Proceedings Volume 7503, 20th International Conference on Optical Fibre Sensors; 75037P (2009) https://doi.org/10.1117/12.835445
Event: 20th International Conference on Optical Fibre Sensors, 2009, Edinburgh, United Kingdom

Abstract

A Bragg grating-based temperature sensor is fabricated in bismuth oxide fibre with femtosecond pulse duration, 800 nm radiation and a phase mask. The Bragg grating resonance of the sensor possesses a wavelength sensitivity to temperature that is three to four times larger than similar devices made in silica fibre. Spectral, thermal and stress characteristics of the Bragg grating sensor are also presented.

Citation Download Citation

Dan Grobnic, Robert B. Walker, Christopher W. Smelser, and Stephen J. Mihailov "High sensitivity FBG sensor made in bismuth oxide fibre with ultrafast radiation", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75037P (5 October 2009); https://doi.org/10.1117/12.835445

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