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Proceedings Paper

Characterization of diode-laser stacks for high-energy-class solid state lasers
Author(s): Jan Pilar; Pawel Sikocinski; Alina Pranowicz; Martin Divoky; P. Crump; R. Staske; Antonio Lucianetti; Tomas Mocek
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Paper Abstract

In this work, we present a comparative study of high power diode stacks produced by world’s leading manufacturers such as DILAS, Jenoptik, and Quantel. The diode-laser stacks are characterized by central wavelength around 939 nm, duty cycle of 1 %, and maximum repetition rate of 10 Hz. The characterization includes peak power, electrical-to-optical efficiency, central wavelength and full width at half maximum (FWHM) as a function of diode current and cooling temperature. A cross-check of measurements performed at HiLASE-IoP and Ferdinand-Braun-Institut (FBH) shows very good agreement between the results. Our study reveals also the presence of discontinuities in the spectra of two diode stacks. We consider the results presented here a valuable tool to optimize pump sources for ultra-high average power lasers, including laser fusion facilities.

Paper Details

Date Published: 7 March 2014
PDF: 9 pages
Proc. SPIE 8965, High-Power Diode Laser Technology and Applications XII, 896516 (7 March 2014); doi: 10.1117/12.2042058
Show Author Affiliations
Jan Pilar, Institute of Physics of the ASCR, v.v.i. (Czech Republic)
Pawel Sikocinski, Institute of Physics of the ASCR, v.v.i. (Czech Republic)
Alina Pranowicz, Institute of Physics of the ASCR, v.v.i. (Czech Republic)
Martin Divoky, Institute of Physics of the ASCR, v.v.i. (Czech Republic)
P. Crump, Ferdinand-Braun-Institut (Germany)
R. Staske, Ferdinand-Braun-Institut (Germany)
Antonio Lucianetti, Institute of Physics of the ASCR, v.v.i. (Czech Republic)
Tomas Mocek, Institute of Physics of the ASCR, v.v.i. (Czech Republic)


Published in SPIE Proceedings Vol. 8965:
High-Power Diode Laser Technology and Applications XII
Mark S. Zediker, Editor(s)

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