High-peak-power passively Q-switched Nd:YAG laser at 946 nm

We demonstrate a high-peak-power quasi-continuous-wave diode-pumped passive Q-switched Nd:YAG laser at 946 nm. We make a thorough comparison of the output performance between the saturable absorbers of InGaAs quantum wells (QWs) and a Cr 4+ :YAG crystal. Experimental results reveal that the saturabl...

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Veröffentlicht in:	Applied physics. B, Lasers and optics Lasers and optics, 2008-06, Vol.91 (3-4), p.429-432
Hauptverfasser:	Huang, Y.P., Su, K.W., Li, A., Chen, Y.F., Huang, K.F.
Format:	Artikel
Sprache:	eng
Schlagworte:	Diode-pumped lasers Doped-insulator lasers and other solid state lasers Engineering Exact sciences and technology Fundamental areas of phenomenology (including applications) Laser optical systems: design and operation Lasers Optical Devices Optics Photonics Physical Chemistry Physics Physics and Astronomy Q-switching Quantum Optics
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Beschreibung
Zusammenfassung:	We demonstrate a high-peak-power quasi-continuous-wave diode-pumped passive Q-switched Nd:YAG laser at 946 nm. We make a thorough comparison of the output performance between the saturable absorbers of InGaAs quantum wells (QWs) and a Cr 4+ :YAG crystal. Experimental results reveal that the saturable absorber of InGaAs QWs is superior to the Cr 4+ :YAG crystal because of the low nonsaturable losses and leads to a pulse energy of 330 μJ with a peak power greater than 11 kW.
ISSN:	0946-2171 1432-0649
DOI:	10.1007/s00340-008-2975-9