Tapered lasers emitting at 650 nm with 1 W output power with nearly diffraction-limited beam quality

P. Adamiec, B. Sumpf, I. Rüdiger, J. Fricke, K.-H. Hasler, P. Ressel, H. Wenzel, M. Zorn, G. Erbert, and G. Tränkle

Ferdinand-Braun-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Strasse 4, 12489 Berlin, Germany

Published in:
Opt. Lett., vol. 34, no. 16, pp. 2456-2458 (2009).
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Abstract:
High-brightness tapered lasers emitting around 650 nm were developed. Devices 2 mm long with a 200-µm-long straight section, 1800-µm-long tapered section, and 4° taper angle reached 1 W output power in CW operation with a nearly diffraction-limited beam quality.

OCIS codes:
140.2020, 140.3295, 140.5960.

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