New concepts for compact diode-pumped femtosecond lasers

Kai Gaebel; P. Russbueldt; G. Rotarius; H. Bette; Rainer Lebert; Keming Du; Peter Loosen; Reinhart Poprawe; Adriaan Valster

doi:10.1117/12.281139

18 August 1997 New concepts for compact diode-pumped femtosecond lasers

Kai Gaebel, P. Russbueldt, G. Rotarius, H. Bette, Rainer Lebert, Keming Du, Peter Loosen, Reinhart Poprawe, Adriaan Valster

Author Affiliations +

Proceedings Volume 3097, Lasers in Material Processing; (1997) https://doi.org/10.1117/12.281139
Event: Lasers and Optics in Manufacturing III, 1997, Munich, Germany

Abstract

We report the successful implementation of Gires-Tournois and chirped mirrors in a diode-pumped, Kerr-lens mode-locked Cr:LiSGaF laser. The laser delivered 30 mW of 79 fs, nearly transform limited pulses at 855 nm and 90 MHz repetition rate. The mirror-dispersion controlled cavity is compared to our prism setup and pulse width limitations in diode pumped Cr:LiSGaF/Cr:LiSAF lasers are identified. Mode matching calculations of pump beam and cavity mode are presented to optimize low threshold, highly efficient fs-operation. Following this analysis a compact prismless design of roughly shoe box size is suggested, which incorporates an additional high n₂ element to enhance stability.

Citation Download Citation

Kai Gaebel, P. Russbueldt, G. Rotarius, H. Bette, Rainer Lebert, Keming Du, Peter Loosen, Reinhart Poprawe, and Adriaan Valster "New concepts for compact diode-pumped femtosecond lasers", Proc. SPIE 3097, Lasers in Material Processing, (18 August 1997); https://doi.org/10.1117/12.281139

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