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2 March 2020 High brightness 100 W-50 μm delivery blue laser diode module
Martina Riva, Giammarco Rossi, Andrea Braglia, Guido Perrone
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Proceedings Volume 11262, High-Power Diode Laser Technology XVIII; 112620O (2020) https://doi.org/10.1117/12.2544993
Event: SPIE LASE, 2020, San Francisco, California, United States
Abstract
Blue laser diodes are emerging as the next revolution in laser material processing, especially for high reflective materials, such as copper and gold. The paper presents the most recent evolution of a family of medium-high power and high brightness devices specifically conceived for micro-machining applications. The modules make use of a proprietary architecture based on the combination of commercial laser diodes in TO9 package. The diodes are first organized in rows staggered along the fast axis, then the rows are multiplexed along the fast axis; finally, wavelength and polarization multiplexing are exploited to achieve up to 100W of power into a 50 μm/0.22NA fiber.
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Martina Riva, Giammarco Rossi, Andrea Braglia, and Guido Perrone "High brightness 100 W-50 μm delivery blue laser diode module", Proc. SPIE 11262, High-Power Diode Laser Technology XVIII, 112620O (2 March 2020); https://doi.org/10.1117/12.2544993
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KEYWORDS
Semiconductor lasers
Multiplexing
Diodes
Laser processing
Fiber coupled lasers
Fiber lasers
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