Probing of sapphire fiber Bragg gratings using intrinsic black-body radiation

Dan Grobnic; Stephen J. Mihailov; Christopher W. Smelser

doi:10.1117/12.885266

17 May 2011 Probing of sapphire fiber Bragg gratings using intrinsic black-body radiation

Dan Grobnic, Stephen J. Mihailov, Christopher W. Smelser

Author Affiliations +

Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 77537E (2011) https://doi.org/10.1117/12.885266
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada

Abstract

Thermal radiation that is present when sapphire fiber Bragg grating sensors are operated at high temperatures (> 1000 °C) is used to obtain a spectral response of the grating without the use of an external optical source to probe the sensor. Depending on the localization of the heat source, transmission or reflection type grating spectra can be obtained.

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Dan Grobnic, Stephen J. Mihailov, and Christopher W. Smelser "Probing of sapphire fiber Bragg gratings using intrinsic black-body radiation", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77537E (17 May 2011); https://doi.org/10.1117/12.885266

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