Bright laser source with high-power single-mode-emitting diode laser stacked array assembly and fiber coupling

M. Forrer; H. Moser; T. Gisler; G. Spinola Durante; J. Pierer; C. Bosshard; M. Krejci; N. Lichtenstein

doi:10.1117/12.875164

21 February 2011 Bright laser source with high-power single-mode-emitting diode laser stacked array assembly and fiber coupling

M. Forrer, H. Moser, T. Gisler, G. Spinola Durante, J. Pierer, C. Bosshard, M. Krejci, N. Lichtenstein

Author Affiliations +

Proceedings Volume 7918, High-Power Diode Laser Technology and Applications IX; 79180Q (2011) https://doi.org/10.1117/12.875164
Event: SPIE LASE, 2011, San Francisco, California, United States

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.

Citation Download Citation

M. Forrer, H. Moser, T. Gisler, G. Spinola Durante, J. Pierer, C. Bosshard, M. Krejci, and N. Lichtenstein "Bright laser source with high-power single-mode-emitting diode laser stacked array assembly and fiber coupling", Proc. SPIE 7918, High-Power Diode Laser Technology and Applications IX, 79180Q (21 February 2011); https://doi.org/10.1117/12.875164

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