Near-UV photosensitivity of Ge-doped silica fibers

Eugeni M. Dianov; Dmitry S. Starodubov; Sergei A. Vasiliev; Artem A. Frolov; Oleg I. Medvedkov

doi:10.1117/12.264177

23 January 1997 Near-UV photosensitivity of Ge-doped silica fibers

Eugeni M. Dianov, Dmitry S. Starodubov, Sergei A. Vasiliev, Artem A. Frolov, Oleg I. Medvedkov

Proceedings Volume 2998, Photosensitive Optical Materials and Devices; (1997) https://doi.org/10.1117/12.264177
Event: Photonics West '97, 1997, San Jose, CA, United States

Abstract

We report for the first time the refractive index grating side-writing in 10 mol.% GeO₂-doped fiber by near-UV light of cw Ar⁺-laser (333 - 364 nm). The magnitude of induced index change as large as 1.9 multiplied by 10^-4 at 1.7 multiplied by 10⁵ W/cm² UV power density has been achieved. The observed gratings have exhibited the same temperature stability as gratings written by KrF excimer laser (248 nm).

Citation Download Citation

Eugeni M. Dianov, Dmitry S. Starodubov, Sergei A. Vasiliev, Artem A. Frolov, and Oleg I. Medvedkov "Near-UV photosensitivity of Ge-doped silica fibers", Proc. SPIE 2998, Photosensitive Optical Materials and Devices, (23 January 1997); https://doi.org/10.1117/12.264177

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