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Proceedings Paper

Efficiency and power scaling of in-well and multi-pass pumped AlGaInP VECSELs
Author(s): Cherry M. N. Mateo; Uwe Brauch; Hermann Kahle; Roman Bek; Thomas Schwarzbäck; Michael Jetter; Marwan Abdou Ahmed; Peter Michler; Thomas Graf
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Paper Abstract

We report a continuous wave operation of a quantum-well and multi-pass-pumped AlGaInP based red vertical-external cavity surface-emitting laser emitting at 660 nm. The laser output power was 1.5 W with a slope efficiency of 35 %. The critical role of optimizing the sample design both for the pump and laser wavelengths, pump spot size, and the number of pump light passes were experimentally investigated.

Paper Details

Date Published: 10 March 2016
PDF: 7 pages
Proc. SPIE 9734, Vertical External Cavity Surface Emitting Lasers (VECSELs) VI, 973410 (10 March 2016); doi: 10.1117/12.2212162
Show Author Affiliations
Cherry M. N. Mateo, Univ. of Stuttgart (Germany)
Uwe Brauch, Univ. of Stuttgart (Germany)
Hermann Kahle, Univ. of Stuttgart (Germany)
Roman Bek, Univ. of Stuttgart (Germany)
Thomas Schwarzbäck, Univ. of Stuttgart (Germany)
TRUMPF Laser Systems for Semiconductor Manufacturing GmbH (Germany)
Michael Jetter, Univ. of Stuttgart (Germany)
Marwan Abdou Ahmed, Univ. of Stuttgart (Germany)
Peter Michler, Univ. of Stuttgart (Germany)
Thomas Graf, Univ. of Stuttgart (Germany)

Published in SPIE Proceedings Vol. 9734:
Vertical External Cavity Surface Emitting Lasers (VECSELs) VI
Keith G. Wilcox, Editor(s)

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