Strong Bragg Gratings in Highly Photosensitive Photo-Thermo-Refractive-Glass Optical Fiber

Abstract : A new type of photosensitive fiber is demonstrated. Long lengths (>100 m) of coreless optical fiber are fabricated from highly photosensitive photo-thermo-refractive glass. A minimum loss of <;2 dB/m is measured. A holographic technique using low power near-UV two-beam interference patterns is applied to record strong and robust Bragg gratings inside the fiber. The gratings show no degradation when heated up to 425 °C for several hours.
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https://hal.archives-ouvertes.fr/hal-00945965
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Submitted on : Tuesday, March 26, 2019 - 4:45:07 PM
Last modification on : Tuesday, March 26, 2019 - 4:46:01 PM

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  • HAL Id : hal-00945965, version 1

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P. Hofmann, R. Amezcua-Correa, E. Antonio-Lopez, D. Ott, M. Segall, et al.. Strong Bragg Gratings in Highly Photosensitive Photo-Thermo-Refractive-Glass Optical Fiber. IEEE Photonics Technology Letters, Institute of Electrical and Electronics Engineers, 2013, 25 (1), pp.25-28. ⟨hal-00945965⟩

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