High-power VCSEL systems and applications

Holger Moench; Ralf Conrads; Carsten Deppe; Guenther Derra; Stephan Gronenborn; Xi Gu; Gero Heusler; Johanna Kolb; Michael Miller; Pavel Pekarski; Jens Pollmann-Retsch; Armand Pruijmboom; Ulrich Weichmann

doi:10.1117/12.2076267

13 March 2015 High-power VCSEL systems and applications

Holger Moench, Ralf Conrads, Carsten Deppe, Guenther Derra, Stephan Gronenborn, Xi Gu, Gero Heusler, Johanna Kolb, Michael Miller, Pavel Pekarski, Jens Pollmann-Retsch, Armand Pruijmboom, Ulrich Weichmann

Author Affiliations +

Proceedings Volume 9348, High-Power Diode Laser Technology and Applications XIII; 93480W (2015) https://doi.org/10.1117/12.2076267
Event: SPIE LASE, 2015, San Francisco, California, United States

Abstract

Easy system design, compactness and a uniform power distribution define the basic advantages of high power VCSEL systems. Full addressability in space and time add new dimensions for optimization and enable “digital photonic production”. Many thermal processes benefit from the improved control i.e. heat is applied exactly where and when it is needed. The compact VCSEL systems can be integrated into most manufacturing equipment, replacing batch processes using large furnaces and reducing energy consumption. This paper will present how recent technological development of high power VCSEL systems will extend efficiency and flexibility of thermal processes and replace not only laser systems, lamps and furnaces but enable new ways of production. High power VCSEL systems are made from many VCSEL chips, each comprising thousands of low power VCSELs. Systems scalable in power from watts to multiple ten kilowatts and with various form factors utilize a common modular building block concept. Designs for reliable high power VCSEL arrays and systems can be developed and tested on each building block level and benefit from the low power density and excellent reliability of the VCSELs. Furthermore advanced assembly concepts aim to reduce the number of individual processes and components and make the whole system even more simple and reliable.

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Holger Moench, Ralf Conrads, Carsten Deppe, Guenther Derra, Stephan Gronenborn, Xi Gu, Gero Heusler, Johanna Kolb, Michael Miller, Pavel Pekarski, Jens Pollmann-Retsch, Armand Pruijmboom, and Ulrich Weichmann "High-power VCSEL systems and applications", Proc. SPIE 9348, High-Power Diode Laser Technology and Applications XIII, 93480W (13 March 2015); https://doi.org/10.1117/12.2076267

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