Photo-erasure of type-II femtosecond laser written Bragg gratings employed as high reflectors in moderate power Q-switch fibre laser

Mattias L. Åslund, Nemanja Jovanovic, Stuart D. Jackson, John Canning, Graham D. Marshall, Alexander Fuerbach, Michael J. Withford, Kevin Cook

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

Abstract

We show evidence of rapid photo-erasure of ultra stable Type-II fibre Bragg gratings written with a femtosecond laser into the active medium when employed as high reflectors in >1kW medium power Yb3+-doped Q-switched fibre laser cavities.

Original languageEnglish
Title of host publicationOptical sensors
EditorsFrancesco Baldini, Jiří Homola, Robert A. Lieberman
Place of PublicationBellingham, Washington
PublisherSPIE
Number of pages10
ISBN (Print)9780819476302
DOIs
Publication statusPublished - 2009
EventOptical Sensors 2009 - Prague, Czech Republic
Duration: 20 Apr 200922 Apr 2009

Publication series

NameProceedings of SPIE
Volume7356
ISSN (Print)0277-786X

Other

OtherOptical Sensors 2009
CountryCzech Republic
CityPrague
Period20/04/0922/04/09

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Keywords

  • Femtosecond lasers
  • Fibre Bragg gratings
  • Fibre lasers
  • Photodarkening

Cite this

Åslund, M. L., Jovanovic, N., Jackson, S. D., Canning, J., Marshall, G. D., Fuerbach, A., ... Cook, K. (2009). Photo-erasure of type-II femtosecond laser written Bragg gratings employed as high reflectors in moderate power Q-switch fibre laser. In F. Baldini, J. Homola, & R. A. Lieberman (Eds.), Optical sensors [73561I] (Proceedings of SPIE; Vol. 7356). Bellingham, Washington: SPIE. https://doi.org/10.1117/12.820586