Hyper-Rapid Ps Lasers

Coherent Kaiserslautern GmbH

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KAISERSLAUTERN, Germany, Dec. 28, 2007 -- Lumera Laser GmbH said its new Hyper-Rapid pictosecond lasers represent a breakthrough in the development of industrial picosecond lasers for micromachining.

The lasers use a novel amplifier concept from Lumera Laser to reach higher average power for high throughput applications, the company said. With up to 50-W TEM₀₀ average power and pulse-repetition rates of up to 1 MHz, the Hyper-Rapid lasers are now available for high-quality industrial micromachining applications.

A high-quality 35-µm-wide cut in a tungsten foil processed in Lumera Laser's application lab. The lab is available for customer experiments.

Lumera said the throughput has increased by more than a factor of 10 over previously available models. Now more than 10mm³ of material can be abated coldly, without thermal side effects, no heat-effected zone, no cracks, no burr at the edges.

A picosecond (ps) laser beam can be focused to sub-µm diameter, and each controllable single ps pulse will remove gently only about a 10-nm layer of material, the company said.

Micromachining applications for Lumera's industrial ps lasers include:

Drilling small apertures or structures (for electrical, biomedical or fluidic devices) into difficult machinable materials
Rounding hard metal tool edges for better cutting quality and longer life
Cutting or repairing masks for processes in the semiconductor, display or OLED technology
Structuring solar cells
Making or repairing of lithographic masks
Fuse blowing for memory repair etc.

For more information, visit: www.lumera-laser.com; e-mail: [email protected]

Lumera Laser GmbH
Opelstr. 10
67661 Kaiserslautern
Germany
Phone: +49 6301-703-256
Fax: +49 6301-703-189

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Published: December 2007