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15 February 2006 Development of high power high brightness fiber coupled diode laser systems
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The improved wall-plug efficiency and minimal maintenance of diode laser systems over Nd:YAG and CO2 lasers has been admired by many manufacturers. Until recently, most diode laser systems could not compete at high-power levels or with the same beam quality. Nuvonyx reports the design and initial development of a diode laser system that delivers 2000 W from a 600 μm core fiber with a 0.22 NA. This system is suitable as a stand-alone industrial direct diode laser system or as a multi-kilowatt fiber laser pump source. The development of a high brightness bar technology by Nuvonyx and its collaborators along with the use of polarization beam combining is the core of this laser system. Each emitter operates with a single lateral mode resulting in a high brightness bar that outputs up to 50 W. The wavelength of the laser is centered at 975 nm with a width of less than ± 3 nm. The demonstration of this laser system defines a clear path to scale this technology to 4000 W.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Nels P Ostrom, Mike Gall, and Brian O. Faircloth "Development of high power high brightness fiber coupled diode laser systems", Proc. SPIE 6104, High-Power Diode Laser Technology and Applications IV, 61040N (15 February 2006);

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