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10 March 2021 Compact high-brightness and highly manufacturable blue laser modules
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Blue laser diode sources have already proved to be an effective alternative for material processing, especially of high reflective materials, such as copper; now the challenge is to increase their power while improving brightness and reducing the cost-per-watt. The paper presents the development of a family of blue laser modules that, making use of the same platform and assembly lines of similar 9xx nm modules, can achieve an unprecedented combination of power, brightness, compactness and cost reduction. These modules rely on a proprietary architecture to combine a plurality of chips through spatial and polarization multiplexing, obtaining up to 100W of output power in a 100 μm fiber. Preliminary experimental results for module making use of spatial multiplexing report 35W output power in a 50 μm fiber.
Conference Presentation
© (2021) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Valentina Serafini, Martina Riva, Giulia Pippione, Alessandro Mirigaldi, Claudio Coriasso, Simone Codato, Paola Gotta, Alberto Maina, Roberto Paoletti, and Guido Perrone "Compact high-brightness and highly manufacturable blue laser modules", Proc. SPIE 11668, High-Power Diode Laser Technology XIX, 116680J (10 March 2021);

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