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Proceedings Paper

Simulation of energy buildups in solid-state regenerative amplifiers for 2-μm emitting lasers
Author(s): Ramon Springer; Ilya Alexeev; Johannes Heberle; Christoph Pflaum
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Paper Abstract

A numerical model for solid-state regenerative amplifiers is presented, which is able to precisely simulate the quantitative energy buildup of stretched femtosecond pulses over passed roundtrips in the cavity. In detail, this model is experimentally validated with a Ti:Sapphire regenerative amplifier. Additionally, the simulation of a Ho:YAG based regenerative amplifier is conducted and compared to experimental data from literature. Furthermore, a bifurcation study of the investigated Ho:YAG system is performed, which leads to the identification of stable and instable operation regimes. The presented numerical model exhibits a well agreement to the experimental results from the Ti:Sapphire regenerative amplifier. Also, the gained pulse energy from the Ho:YAG system could be approximated closely, while the mismatch is explained with the monochromatic calculation of pulse amplification. Since the model is applicable to other solid-state gain media, it allows for the efficient design of future amplification systems based on regenerative amplification.

Paper Details

Date Published: 15 February 2018
PDF: 10 pages
Proc. SPIE 10511, Solid State Lasers XXVII: Technology and Devices, 1051106 (15 February 2018); doi: 10.1117/12.2287769
Show Author Affiliations
Ramon Springer, Friedrich-Alexander-Univ. Erlangen-Nürnberg (Germany)
Ilya Alexeev, Friedrich-Alexander-Univ. Erlangen-Nürnberg (Germany)
Johannes Heberle, Friedrich-Alexander-Univ. Erlangen-Nürnberg (Germany)
Christoph Pflaum, Friedrich-Alexander-Univ. Erlangen-Nürnberg (Germany)


Published in SPIE Proceedings Vol. 10511:
Solid State Lasers XXVII: Technology and Devices
W. Andrew Clarkson; Ramesh K. Shori, Editor(s)

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