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Proceedings Paper

Lasing Properties Of Flashlamp Pumped GGG-Crystals.
Author(s): H. B. Puell; U. Wostenbrink
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Paper Abstract

The lasing properties of a number of Nd:Cr;GGG laser crystals with different Cr-concentrations were investigated under pulsed flashlamp excitation. For an optimum average concentration of 2.4*10 20 Nd-at/cm3 and 3.7*10 19 Cr-at/cm3 an increase in slope efficiency by a factor of 2.5 was observed, compared to a standard Nd:YAG laser rod. A 79 mm x 4 mm diameter rod was operated quasi-continuously with pump powers up to 2 kW, delivering an average output power of 50 W. From the onset of resonator instability a thermal lensing power of the GGG rod of 2 diopters/kW was deduced.

Paper Details

Date Published: 24 March 1989
PDF: 4 pages
Proc. SPIE 1021, High Power Solid State Lasers, (24 March 1989); doi: 10.1117/12.950072
Show Author Affiliations
H. B. Puell, Heraeus Industrielaser GmbH (FRG)
U. Wostenbrink, Heraeus Industrielaser GmbH (FRG)

Published in SPIE Proceedings Vol. 1021:
High Power Solid State Lasers
Horst Weber, Editor(s)

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