Wavelength dependency in high power laser cutting and welding

David Havrilla; Stephan Ziermann; Marco Holzer

doi:10.1117/12.906811

6 February 2012 Wavelength dependency in high power laser cutting and welding

David Havrilla, Stephan Ziermann, Marco Holzer

Proceedings Volume 8239, High Power Laser Materials Processing: Lasers, Beam Delivery, Diagnostics, and Applications; 82390M (2012) https://doi.org/10.1117/12.906811
Event: SPIE LASE, 2012, San Francisco, California, United States

Abstract

Laser cutting and welding have been around for more than 30 years. Within those three decades there has never been a greater variety of high power laser types and wavelengths to choose from than there is today. There are many considerations when choosing the right laser for any given application - capital investment, cost of ownership, footprint, serviceability, along with a myriad of other commercial & economic considerations. However, one of the most fundamental questions that must be asked and answered is this - "what type of laser is best suited for the application?". Manufacturers and users alike are realizing what, in retrospect, may seem obvious - there is no such thing as a universal laser. In many cases there is one laser type and wavelength that clearly provides the highest quality application results. This paper will examine the application fields of high power, high brightness 10.6 & 1 micron laser welding & cutting and will provide guidelines for selecting the laser that is best suited for the application. Processing speed & edge quality serve as key criteria for cutting. Whereas speed, seam quality & spatter ejection provide the paradigm for welding.

Citation Download Citation

David Havrilla, Stephan Ziermann, and Marco Holzer "Wavelength dependency in high power laser cutting and welding", Proc. SPIE 8239, High Power Laser Materials Processing: Lasers, Beam Delivery, Diagnostics, and Applications, 82390M (6 February 2012); https://doi.org/10.1117/12.906811

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