High brightness laser systems incorporating advanced laser bars

Stephan Strohmaier; Thilo Vethake; Mark Gottdiener; Jens Wunderlin; Viorel Negoita; Yufeng Li; Tobias Barnowski; Tim Gong; Haiyan An; Georg Treusch

doi:10.1117/12.2004927

26 February 2013 High brightness laser systems incorporating advanced laser bars

Stephan Strohmaier, Thilo Vethake, Mark Gottdiener, Jens Wunderlin, Viorel Negoita, Yufeng Li, Tobias Barnowski, Tim Gong, Haiyan An, Georg Treusch

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Proceedings Volume 8605, High-Power Diode Laser Technology and Applications XI; 86050J (2013) https://doi.org/10.1117/12.2004927
Event: SPIE LASE, 2013, San Francisco, California, United States

Abstract

The performance of high power and high brightness systems has been developing and is developing fast. In the multi kW regime both very high spatial and spectral brightness systems are emerging. Also diode laser pumped and direct diode lasers are becoming the standard laser sources for many applications. The pump sources for thin Disk Laser systems at TRUMPF Photonics enabled by high power and efficiency laser bars are becoming a well established standard in the industry with over two thousand 8 kW Disk Laser pumps installed in TruDisk systems at the customer site. These systems have proven to be a robust and reliable industrial tool. A further increase in power and efficiency of the bar can be easily used to scale the TruDisk output power without major changes in the pump source design. This publication will highlight advanced laser systems in the multi kW range for both direct application and solid state laser pumping using specifically tailored diode laser bars for high spatial and/or high spectral brightness. Results using wavelength stabilization techniques suitable for high power CW laser system applications will be presented. These high power and high brightness diode laser systems, fiber coupled or in free space configuration, depending on application or customer need, typically operate in the range of 900 to 1070 nm wavelength.

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Stephan Strohmaier, Thilo Vethake, Mark Gottdiener, Jens Wunderlin, Viorel Negoita, Yufeng Li, Tobias Barnowski, Tim Gong, Haiyan An, and Georg Treusch "High brightness laser systems incorporating advanced laser bars", Proc. SPIE 8605, High-Power Diode Laser Technology and Applications XI, 86050J (26 February 2013); https://doi.org/10.1117/12.2004927

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KEYWORDS

Semiconductor lasers

Laser systems engineering

High power lasers

Disk lasers

Fiber couplers

Collimation

Laser applications

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