Bragg gratings made with ultrafast radiation in non-silica glasses; fluoride, phosphate, borosilicate and chalcogenide Bragg gratings

Dan Grobnic; Stephen J. Mihailov; Christopher W. Smelser; Robert Walker

doi:10.1117/12.778897

30 October 2007 Bragg gratings made with ultrafast radiation in non-silica glasses; fluoride, phosphate, borosilicate and chalcogenide Bragg gratings

Dan Grobnic, Stephen J. Mihailov, Christopher W. Smelser, Robert Walker

Author Affiliations +

Proceedings Volume 6796, Photonics North 2007; 67961K (2007) https://doi.org/10.1117/12.778897
Event: Photonics North 2007, 2007, Ottawa, Canada

Abstract

In this paper, we present results of Bragg grating inscription in optical waveguide glasses other than those based on fused silica, using the femtosecond infrared (IR) laser inscription of Bragg gratings method that is based on the mechanism of multiphoton ionization and plasma absorption. This mechanism allows for the inscription of Bragg grating structures not only in the fused-silica glasses without Ge-doping but also in other glasses such as fluoride, phosphate, chalcogenide and borosilicate which are important optical substrates for applications as mid IR fiber lasers and sensing. The writing method, spectral characteristics, polarization properties and thermal stability of the Bragg gratings are discussed.

Citation Download Citation

Dan Grobnic, Stephen J. Mihailov, Christopher W. Smelser, and Robert Walker "Bragg gratings made with ultrafast radiation in non-silica glasses; fluoride, phosphate, borosilicate and chalcogenide Bragg gratings", Proc. SPIE 6796, Photonics North 2007, 67961K (30 October 2007); https://doi.org/10.1117/12.778897

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