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Proceedings Article

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

[+] Author Affiliations
Dan Grobnic, Stephen J. Mihailov, Christopher W. Smelser, Robert Walker

Communications Research Ctr. (Canada)

Proc. SPIE 6796, Photonics North 2007, 67961K (October 26, 2007); doi:10.1117/12.778897
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From Conference Volume 6796

  • Photonics North 2007
  • John Armitage
  • Ottawa, Ontario, Canada | June 04, 2007

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.

© (2007) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
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 (October 26, 2007); doi:10.1117/12.778897; http://dx.doi.org/10.1117/12.778897


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