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4 May 1998 High-brightness fiber-coupled diode laser module
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Abstract
Based on a pair of step-mirrors for beam rearranging we coupled the emission of three high-power diode laser arrays into an optical fiber of 800 micrometer diameter. We compressed the fast axis collimated beams of three diode lasers in respect to their fast axes by means of a step prism and symmetrized the beam parameter product by reordering the radiation which is focused into a fiber then. By simple optimization a coupling efficiency of 70% can be obtained.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Friedhelm Dorsch, Petra Hennig, and Michael Nickel "High-brightness fiber-coupled diode laser module", Proc. SPIE 3285, Fabrication, Testing, Reliability, and Applications of Semiconductor Lasers III, (4 May 1998); https://doi.org/10.1117/12.307606
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