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7 June 2004 High-power All-Fiber components: the missing link for high-power fiber lasers
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Proceedings Volume 5335, Fiber Lasers: Technology, Systems, and Applications; (2004) https://doi.org/10.1117/12.548946
Event: Lasers and Applications in Science and Engineering, 2004, San Jose, Ca, United States
Abstract
Fiber lasers have shown extraordinary progress in power level, reaching the kilowatt range. These results were achieved with large mode area fibers pumped with high power laser diodes coupled with bulk-optics. To enable the commercial development of these high power fiber lasers, we have demonstrated several All-Fiber components, which replace the bulk-optic interface in the present laser configurations. These components include multimode fused fiber bundle combiners with or without signal fiber feed-through, Bragg gratings and mode field adaptors. The multimode fibers are used to couple several fiber pigtailed pump diodes to a double-clad fiber. Such combiners may contain a signal fiber to provide an input or output for the core modes of the double-clad fiber. Mode field adaptors perform fundamental mode matching between different core fibers. Bragg gratings are used as reflectors for the laser cavity. These components exhibit low-loss and high power handling of 200 Watts has been demonstrated. They enable the design of true high power single-mode All-Fiber lasers that will be small, rugged and reliable.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Francois Gonthier, Lilian Martineau, Nawfel Azami, Mathieu Faucher, Francois Seguin, Damien Stryckman, and Alain Villeneuve "High-power All-Fiber components: the missing link for high-power fiber lasers", Proc. SPIE 5335, Fiber Lasers: Technology, Systems, and Applications, (7 June 2004); https://doi.org/10.1117/12.548946
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