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Proceedings Paper

Watt-level yellow emitting lasers by frequency doubling of high power diode lasers
Author(s): R. Bege; D. Jedrzejczyk; J. Hofmann; G. Blume; D. Feise; F. Bugge; K. Paschke; G. Tränkle
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Paper Abstract

Distributed Bragg reflector tapered diode lasers (DBR-TPL) based on a quantum-well structure are presented, which emit at various wavelengths between 1100 and 1200 nm. Long lifetimes of these diode lasers are demonstrated. The lasers feature a high radiance facilitating a highly efficient second harmonic generation (SHG) in lithium niobate (PPMgO:LN) ridge waveguide crystals in a single-pass configuration. SHG output powers up to 0.86 W corresponding to SHG power densities in the ridge waveguide core > 1 MW/cm2 are achieved for nearly diffraction limited beams at wavelengths of 561, 578 and 589 nm. Absorption behavior at these power densities is investigated without observation of nonlinear absorption phenomena.

Paper Details

Date Published: 2 June 2017
PDF: 11 pages
Proc. SPIE 10238, High-Power, High-Energy, and High-Intensity Laser Technology III, 102380X (2 June 2017); doi: 10.1117/12.2264770
Show Author Affiliations
R. Bege, Ferdinand-Braun-Institut (Germany)
D. Jedrzejczyk, Ferdinand-Braun-Institut (Germany)
J. Hofmann, Ferdinand-Braun-Institut (Germany)
G. Blume, Ferdinand-Braun-Institut (Germany)
D. Feise, Ferdinand-Braun-Institut (Germany)
F. Bugge, Ferdinand-Braun-Institut (Germany)
K. Paschke, Ferdinand-Braun-Institut (Germany)
G. Tränkle, Ferdinand-Braun-Institut (Germany)


Published in SPIE Proceedings Vol. 10238:
High-Power, High-Energy, and High-Intensity Laser Technology III
Joachim Hein, Editor(s)

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