Lasing Properties Of Flashlamp Pumped GGG-Crystals.

H. B. Puell; U. Wostenbrink

doi:10.1117/12.950072

24 March 1989 Lasing Properties Of Flashlamp Pumped GGG-Crystals.

H. B. Puell, U. Wostenbrink

Proceedings Volume 1021, High Power Solid State Lasers; (1989) https://doi.org/10.1117/12.950072
Event: 1988 International Congress on Optical Science and Engineering, 1988, Hamburg, Germany

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.

Citation Download Citation

H. B. Puell and U. Wostenbrink "Lasing Properties Of Flashlamp Pumped GGG-Crystals.", Proc. SPIE 1021, High Power Solid State Lasers, (24 March 1989); https://doi.org/10.1117/12.950072

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