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Blue laser diode (450 nm) systems for welding copper
Author(s): M. Silva Sa; M. Finuf; R. Fritz; J. Tucker; J.-M. Pelaprat; M. S. Zediker
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Paper Abstract

This paper will discuss the development of high power blue laser systems for industrial applications. The key development enabling high power blue laser systems is the emergence of high power, high brightness laser diodes at 450 nm. These devices have a high individual brightness rivaling their IR counterparts and they have the potential to exceed their performance and price barriers. They also have a very high To resulting in a 0.04 nm/°C wavelength shift. They have a very stable lateral far-field profile which can be combined with other diodes to achieve a superior brightness. This paper will report on the characteristics of the blue laser diodes, their integration into a modular laser system suitable for scaling the output power to the 1 kW level and beyond. Test results will be presented for welding of copper with power levels ranging from 150 Watts to 600 Watts

Paper Details

Date Published: 19 February 2018
PDF: 8 pages
Proc. SPIE 10514, High-Power Diode Laser Technology XVI, 1051407 (19 February 2018); doi: 10.1117/12.2291716
Show Author Affiliations
M. Silva Sa, NUBURU, Inc. (United States)
M. Finuf, NUBURU, Inc. (United States)
R. Fritz, NUBURU, Inc. (United States)
J. Tucker, NUBURU, Inc. (United States)
J.-M. Pelaprat, NUBURU, Inc. (United States)
M. S. Zediker, NUBURU, Inc. (United States)

Published in SPIE Proceedings Vol. 10514:
High-Power Diode Laser Technology XVI
Mark S. Zediker, Editor(s)

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