Essential building blocks for a flexible approach to laser source design

J. Deile; J. Doberitzsch

doi:10.1117/12.2006068

22 February 2013 Essential building blocks for a flexible approach to laser source design

J. Deile, J. Doberitzsch

Proceedings Volume 8603, High-Power Laser Materials Processing: Lasers, Beam Delivery, Diagnostics, and Applications II; 860309 (2013) https://doi.org/10.1117/12.2006068
Event: SPIE LASE, 2013, San Francisco, California, United States

Abstract

During the first 20 years of TRUMPF’s existence as a laser company, it developed a reputation for standard products for applications, now referred to as the traditional industrial applications: laser cutting and welding of steel and aluminum. During the same time, TRUMPF acquired five basic technology platforms – fast-flow and diffusion-cooled CO₂ lasers, thin disk, diode and fiber lasers. The standard products cover only a small section of the multi-dimensional parameter space that can be covered with these five basic technologies. These platforms, however, provide enormous flexibility and highly reliable building blocks that are now used to fill white areas in the parameter space, enabling novel applications unrelated to the original applications for these technologies. Presented are some examples of how the scaling of these technologies has led to unique and novel laser devices and applications. They include the generation of EUV with CO₂ lasers, short-pulse applications with diffusion-cooled and fast-flow CO₂ lasers for processing of composite materials and plastics. Laser output power, the traditional main characteristic for CO₂ lasers, made way for pulse energies, pulse lengths and wavelength. The traditional cw thin disk laser platform was transformed into short and ultra-short pulse lasers with wavelengths down to 343 nm. Diode lasers evolved from low brightness pump sources for thin disk lasers to diode direct lasers. This flexibility will ensure that remaining white spaces in the parameter space can be filled in the future as required.

Citation Download Citation

J. Deile and J. Doberitzsch "Essential building blocks for a flexible approach to laser source design", Proc. SPIE 8603, High-Power Laser Materials Processing: Lasers, Beam Delivery, Diagnostics, and Applications II, 860309 (22 February 2013); https://doi.org/10.1117/12.2006068

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KEYWORDS

Carbon dioxide lasers

Laser cutting

Disk lasers

Pulsed laser operation

Semiconductor lasers

Laser applications

Fiber lasers

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