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Proceedings Paper

High-power high-brightness 3-W tapered lasers tunable from 940 nm to 980 nm
Author(s): Jürgen Weber; Márc T. Kelemen; Stefan Moritz; Michael Mikulla
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Paper Abstract

A variety of applications such as spectroscopy or tunable frequency doubling of diode lasers for blue-green outputs necessitate diffraction-limited tunable narrow linewidths and high output powers in the multiwatt regime. For these applications, tapered devices based on a tapered amplifier gain-guided design are used in an external cavity set up. So far commercially available output powers are in the range of 1 W, limited by the mounting technology so far. The tuneability and the influence of different packagings on output performance was investigated. Used in littrow-configuration tapered diode lasers on optimized heatsinks show output powers of more than 3 W and an excellent spectral and spatial quality. The beam-quality parameter remains well below M2 < 1.5 for output powers up to 3 W. A tuning range of more than 40 nm could be achieved.

Paper Details

Date Published: 15 February 2006
PDF: 7 pages
Proc. SPIE 6104, High-Power Diode Laser Technology and Applications IV, 61040Y (15 February 2006); doi: 10.1117/12.644587
Show Author Affiliations
Jürgen Weber, m2k-laser GmbH (Germany)
Márc T. Kelemen, m2k-laser GmbH (Germany)
Stefan Moritz, m2k-laser GmbH (Germany)
Michael Mikulla, m2k-laser GmbH (Germany)

Published in SPIE Proceedings Vol. 6104:
High-Power Diode Laser Technology and Applications IV
Mark S. Zediker, Editor(s)

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