Comparison of photodarkening in 1030nm and 1070nm Yb-doped fibre lasers

Hrvoje Gebavi; Alessandro Chiasera; Maurizio Ferrari; David Mechin; Thierry Robin; Stefano Taccheo

doi:10.1117/12.2081110

16 March 2015 Comparison of photodarkening in 1030nm and 1070nm Yb-doped fibre lasers

Hrvoje Gebavi, Alessandro Chiasera, Maurizio Ferrari, David Mechin, Thierry Robin, Stefano Taccheo

Proceedings Volume 9359, Optical Components and Materials XII; 935912 (2015) https://doi.org/10.1117/12.2081110
Event: SPIE OPTO, 2015, San Francisco, California, United States

Abstract

In this paper we investigate photodarkening and photobleaching impact in 1030 nm ytterbium doped fiber lasers and we compare results with previous experiments made with 1070 nm fiber lasers built from the same kind of alumino-silicate fiber. The possibility of using a common model with no free parameters may suggest that lower photodarkening experienced in 1030 nm fiber lasers is simply due to lower inversion required, with no influence due to the wavelength of laser photons.

Citation Download Citation

Hrvoje Gebavi, Alessandro Chiasera, Maurizio Ferrari, David Mechin, Thierry Robin, and Stefano Taccheo "Comparison of photodarkening in 1030nm and 1070nm Yb-doped fibre lasers", Proc. SPIE 9359, Optical Components and Materials XII, 935912 (16 March 2015); https://doi.org/10.1117/12.2081110

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