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An ArF excimer laser was used to fabricate Bragg gratings in Bi:SiO2 core - microstructured cladding optical fiber. Average and modulated refractive index changes of 2.7 × 10E-4 and 1.0 × 10E-4 were induced in pristine fiber. Fiber luminescence was also measured under 1064 nm pumping.
Tobias Kippenberg, Anat Siddharth, Zheru Qiu, Andrey Voloshin, Simone Bianconi
Camille Sophie Brès, Edgars Nitiss, Boris Zabelich, Christian André Clément Lafforgue