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Proceedings Paper

Bright laser source with high-power single-mode-emitting diode laser stacked array assembly and fiber coupling
Author(s): M. Forrer; H. Moser; T. Gisler; G. Spinola Durante; J. Pierer; C. Bosshard; M. Krejci; N. Lichtenstein
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Paper Abstract

Single-mode-emitting high-power diode laser arrays (SM-HPDLA) are available industrially with more than 50 W emission power per bar. Based on this platform an expandable prototype solution is realized for fiber coupling of a stacked array with more than 100 W to an optical fiber with diameter of 200 micron and NA of 0.11. Advanced methods of controlled assembly of micro-optics by infrared laser-soldering have been developed therefore. We present a compact and scalable concept with scalability on 2 internal and 2 external factors. Internal factors are the increasing beam quality and power stability of high-power single-mode-emitting arrays and the improved assembly accuracy for diode bar and micro-optics. External factors are the interlaced coupling of stacked beam emission from the stacked array and the further option to use optimized polarisation coupling with several diode laser stacks.

Paper Details

Date Published: 21 February 2011
PDF: 8 pages
Proc. SPIE 7918, High-Power Diode Laser Technology and Applications IX, 79180Q (21 February 2011); doi: 10.1117/12.875164
Show Author Affiliations
M. Forrer, FISBA OPTIK AG (Switzerland)
H. Moser, FISBA OPTIK AG (Switzerland)
T. Gisler, FISBA OPTIK AG (Switzerland)
G. Spinola Durante, CSEM AG (Switzerland)
J. Pierer, CSEM AG (Switzerland)
C. Bosshard, CSEM AG (Switzerland)
M. Krejci, Oclaro, Inc. (Switzerland)
N. Lichtenstein, Oclaro, Inc. (Switzerland)

Published in SPIE Proceedings Vol. 7918:
High-Power Diode Laser Technology and Applications IX
Mark S. Zediker, Editor(s)

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