The Review of Laser Engineering
Online ISSN : 1349-6603
Print ISSN : 0387-0200
ISSN-L : 0387-0200
Laser-Diode-Pumped Nd: YAG Active-Mirror Laser
Tadashi KASAMATSUHitoshi SEKITAYukio MORISHIGE
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1996 Volume 24 Issue 3 Pages 373-379

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Abstract
We describe a simple-design laser-diode-pumped CW Nd:YAG active-mirror laser and a thermal analysis in the crystal. A CW output power of 2.4 W and an M2 beam-quality value of less than 1.9 at an incident pumping power of 8.9 W have been obtained. From the thermal analysis, we predict that the output power can be increased by increasing the pump beam diameter at a constant pump-power density. We also calculate the maximum temperature rises and the focal lengths of thermal lenses for various cylindrical laser crystals with different radius-to-length aspect ratios.
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© The Laser Society of Japan
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