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

doi:10.1117/12.820586

18 May 2009 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

Author Affiliations +

Proceedings Volume 7356, Optical Sensors 2009; 73561I (2009) https://doi.org/10.1117/12.820586
Event: SPIE Optics + Optoelectronics, 2009, Prague, Czech Republic

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.

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Mattias L. Åslund, Nemanja Jovanovic, Stuart D. Jackson, John Canning, Graham D. Marshall, Alexander Fuerbach, Michael J. Withford, and Kevin Cook "Photo-erasure of type-II femtosecond laser written Bragg gratings employed as high reflectors in moderate power Q-switch fibre laser", Proc. SPIE 7356, Optical Sensors 2009, 73561I (18 May 2009); https://doi.org/10.1117/12.820586

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