Highly sensitive type IA fiber Bragg gratings as sensors in radiation environments

Faustov, A., Saffari, P., Koutsides, C., Gusarov, A., Wuilpart, M., Mégret, P., Zhang, L. and Kalli, K. (2012). Highly sensitive type IA fiber Bragg gratings as sensors in radiation environments. IN: OFS2012 22nd international conference on Optical Fiber Sensors. Liao, Yanbiao; Jin, Wei; Sampson, David D. and et al (eds) SPIE proceedings . Bellingham, WA (US): SPIE.

Abstract

Type IA fiber gratings have unusual physical properties compared with other grating types. We compare with performance characteristics of Type IA and Type I Bragg gratings exposed to the effects of Co60 gamma-irradiation. A Bragg peak shift of 190 pm was observed for Type IA gratings written in Fibercore PS-1250/1500 photosensitive fiber at a radiation dose of 116 kGy. This is the largest wavelength shift recorded to date under radiation exposure. The Type IA and Type I gratings show different kinetics under radiation and during post-radiation annealing; this can be exploited for the design of a grating based dosimetry system.

Publication DOI: https://doi.org/10.1117/12.975186
Divisions: Engineering & Applied Sciences > Electrical, electronic & power engineering
Engineering & Applied Sciences > Institute of Photonics
Additional Information: A. Faustov ; P. Saffari ; C. Koutsides ; A. Gusarov ; M. Wuilpart ; P. Mégret ; L. Zhang and K. Kalli, "Highly sensitive type IA fiber Bragg gratings as sensors in radiation environments", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, (October 4, 2012). Copyright 2012 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic electronic or print reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. DOI: http://dx.doi.org/10.1117/12.975186
Event Title: 22nd international conference on Optical Fiber Sensors
Event Type: Other
Event Dates: 2012-10-14 - 2012-10-19
Uncontrolled Keywords: fiber Bragg gratings,fiber optic dosimetry,ionizing radiation effects,Applied Mathematics,Computer Science Applications,Electrical and Electronic Engineering,Electronic, Optical and Magnetic Materials,Condensed Matter Physics
Full Text Link: http://proceedi ... ticleid=1381448
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
Published Date: 2012-10-04
Authors: Faustov, A.
Saffari, P.
Koutsides, C.
Gusarov, A.
Wuilpart, M.
Mégret, P.
Zhang, L. ( 0000-0002-1691-5577)
Kalli, K.

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