600 mW optical output power at 488 nm by use of a high-power hybrid laser diode system and a periodically poled MgO:LiNbO3 bulk crystal
M. Maiwald , S. Schwertfeger, R. Güther, B. Sumpf, K. Paschke, C. Dzionk, G. Erbert, and G. Tränkle
Published in:
Opt. Lett., vol. 31, no. 6, pp. 802-804 (2006).
Abstract:
600 mW second-harmonic blue light at 488 nm has been generated by use of a master-oscillator power amplifier diode laser system as a pump source with a maximum optical output power of 4 W in continuouswave operation. For frequency doubling, a periodically poled MgO:LiNbO3 bulk crystal was used in a singlepass configuration. A conversion efficiency of 15% and an overall wall-plug efficiency of 4% were achieved.
Ferdinand-Braun-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Straße 4, D-12489 Berlin, Germany
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