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Proceedings Paper

Recent developments for BAR and BASE: setting the trends
Author(s): Norbert Lichtenstein; Martin Krejci; Yvonne Manz; Julien Boucart; Bernd Valk; Jürgen Müller; Chris Button; Stefan Weiß; Susanne Pawlik; Boris Sverdlov
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Paper Abstract

Bars with high and low filling factors serve the different schemes for beam transformation and fiber coupling. We report on highly efficient 8xx bars for operation in excess of 100 W and reliable broad-area single-emitter lasers (BASE) with 90 um aperture being capable to deliver in excess of 10 W from a 105 um core fiber. For 9xx bars we present solutions with power levels per device ranging from 60 W to 300 W corresponding to linear power levels beyond 8.5 W per 100 um stripe width indicating convergence of BAR and BASE devices. Life test results for these devices will be shown and high brightness fiber coupled solutions will be discussed.

Paper Details

Date Published: 13 February 2008
PDF: 12 pages
Proc. SPIE 6876, High-Power Diode Laser Technology and Applications VI, 68760C (13 February 2008); doi: 10.1117/12.763325
Show Author Affiliations
Norbert Lichtenstein, Bookham AG (Switzerland)
Martin Krejci, Bookham AG (Switzerland)
Yvonne Manz, Bookham AG (Switzerland)
Julien Boucart, Bookham AG (Switzerland)
Bernd Valk, Bookham AG (Switzerland)
Jürgen Müller, Bookham AG (Switzerland)
Chris Button, Bookham AG (Switzerland)
Stefan Weiß, Bookham AG (Switzerland)
Susanne Pawlik, Bookham AG (Switzerland)
Boris Sverdlov, Bookham AG (Switzerland)


Published in SPIE Proceedings Vol. 6876:
High-Power Diode Laser Technology and Applications VI
Mark S. Zediker, Editor(s)

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