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Proceedings Paper

80-mJ/1.64-µm pulsed Er:Yb:YAG diode-pumped laser
Author(s): Efstratios Georgiou; Foteini Kiriakidi; Olivier Musset; Jean-Pierre Boquillon
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Paper Abstract

Efficient lasing at 1.645mm of bulk diode-pumped Er3+:Yb3+:YAG is demonstrated. The material is transversely pumped using three quasi-cw 960-nm laser-diode arrays in a simple arrangement. In free-running mode of operation, output pulse energy of 79mJ is obtained at 4.7J of incident optical pump energy. Lasing threshold lies in the range of 1.0-1.9J in long-pulse operation, depending on pumping conditions, while optical slope efficiencies of 2.2-3.4% were measured with respect to the incident pump energy. Furthermore, initial Q-switching experiments with a Co:MALO saturable absorber yielded pulses of 1.7mJ energy and 340ns FWHM duration. As the reported laser setup is also characterized by an uncomplicated and compact design, it represents a good crystalline rare-earth candidate system with superior material qualities to compete against the established glass-host materials in the eyesafe wavelength range.

Paper Details

Date Published: 1 September 2004
PDF: 12 pages
Proc. SPIE 5460, Solid State Lasers and Amplifiers, (1 September 2004); doi: 10.1117/12.545226
Show Author Affiliations
Efstratios Georgiou, Technological Educational Institute of Crete (Greece)
Foteini Kiriakidi, Technological Educational Institute of Crete (Greece)
Olivier Musset, Univ. de Bourgogne (France)
Jean-Pierre Boquillon, Univ. de Bourgogne (France)

Published in SPIE Proceedings Vol. 5460:
Solid State Lasers and Amplifiers
Alphan Sennaroglu; James G. Fujimoto; Clifford R. Pollock, Editor(s)

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