Coherent combining of high brightness tapered amplifiers for efficient non-linear conversion - Institut d'Optique Graduate School Access content directly
Journal Articles Optics Express Year : 2019

Coherent combining of high brightness tapered amplifiers for efficient non-linear conversion

Abstract

We report on coherent beam combining of three high brightness tapered amplifiers seeded by a single-frequency laser at λ = 976 nm in a simple architecture with efficiently-cooled emitters. The maximal combined power of 12.9 W is achieved at a combining efficiency of > 65 % limited by the intrinsic beam quality of the amplifiers. The coherent combining cleans up the spatial profile, as the power content in the central lobe increases up to 86 %. This high-brightness infrared beam is converted into the visible by second harmonic generation, and results in a high non-linear conversion efficiency of 4.5 %/W and a maximum power over 2 W at 488 nm, limited by thermal effects in the PPLN.
Fichier principal
Vignette du fichier
2018_OE_CBCandSHG_acceptedversion.pdf (958.76 Ko) Télécharger le fichier
Origin Files produced by the author(s)
Loading...

Dates and versions

hal-02332528 , version 1 (24-10-2019)

Identifiers

Cite

P. Albrodt, M. T Jamal, A. K Hansen, O. B Jensen, G. Blume, et al.. Coherent combining of high brightness tapered amplifiers for efficient non-linear conversion. Optics Express, 2019, 27 (2), pp.928. ⟨10.1364/OE.27.000928⟩. ⟨hal-02332528⟩
325 View
91 Download

Altmetric

Share

Gmail Mastodon Facebook X LinkedIn More