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17 February 2010 Progress in high-brightness diode laser development based on tailored diode laser bars
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Abstract
The state-of-the-art beam quality from high-brightness, fiber-coupled diode laser modules has been significantly improved in the last few years, with commercially available modules now rivaling the brightness of lamp-pumped Nd:YAG lasers. We report progress in the development of these systems for a variety of applications, such as material processing and pumping of solid state and fiber lasers. Experimental data and simulation results for wavelength stabilized outputs from 200 µm diameter fibers at 975 nm for power levels greater than 200 W will be presented. The enabling technology in these products is supported by key developments in tailored diode laser bars with low slow axis divergence, micro-optics, diode laser packaging, and modular architecture.
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S. D. Roh, D. M. Grasso, N. Shou, R. Pathak, G. Cheung, D. Schleuning, and T. Hasenberg "Progress in high-brightness diode laser development based on tailored diode laser bars", Proc. SPIE 7583, High-Power Diode Laser Technology and Applications VIII, 758310 (17 February 2010); doi: 10.1117/12.842785; https://doi.org/10.1117/12.842785
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