High-power high-brightness 3-W tapered lasers tunable from 940 nm to 980 nm

Jürgen Weber; Márc T. Kelemen; Stefan Moritz; Michael Mikulla

doi:10.1117/12.644587

15 February 2006 High-power high-brightness 3 W tapered lasers tuneable from 940 nm to 980 nm

Jürgen Weber, Márc T. Kelemen, Stefan Moritz, Michael Mikulla

Proceedings Volume 6104, High-Power Diode Laser Technology and Applications IV; 61040Y (2006) https://doi.org/10.1117/12.644587
Event: Lasers and Applications in Science and Engineering, 2006, San Jose, California, United States

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.

Citation Download Citation

Jürgen Weber, Márc T. Kelemen, Stefan Moritz, and Michael Mikulla "High-power high-brightness 3 W tapered lasers tuneable from 940 nm to 980 nm", Proc. SPIE 6104, High-Power Diode Laser Technology and Applications IV, 61040Y (15 February 2006); https://doi.org/10.1117/12.644587

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