The thermal stability of type 1 gratings is increased by post thermal tuning of the grating, leading to gratings that can withstand temperatures up to 600 °C, lifetime predictions suggests <3dB reduction after 25 years at 400 °C.
© 2010 The Optical Society
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.3738) Fiber optics and optical communications : Fiber Bragg gratings, photosensitivity
M. Aslund, J. Canning, M. Stevenson, and K. Cook, "H<sup>2</sup>Loaded Type-I Fibre Bragg Gratings Thermally Stabilised For Operation Up To 600°C," in Advanced Photonics & Renewable Energy, OSA Technical Digest (CD) (Optical Society of America, 2010), paper BTuB5.
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