High Speed Laser Micro Processing Using High Brilliance Continuous Wave Laser Radiation | Zendy

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High Speed Laser Micro Processing Using High Brilliance Continuous Wave Laser Radiation

Author(s) -

Horst Exner

Publication year - 2012

Publication title -

journal of laser micro/nanoengineering

Language(s) - English

Resource type - Journals

ISSN - 1880-0688

DOI - 10.2961/jlmn.2012.01.0023

Subject(s) - laser , galvanometer , optics , materials science , laser power scaling , x ray laser , laser linewidth , continuous wave , beam parameter product , fiber laser , nanosecond , optoelectronics , laser beam quality , laser beams , physics

Laser micro processing using a high power single-mode continuous wave fibre laser in combina-tion with a fast galvanometer scanner as well as an ultra fast polygon scan systems was investigated. As a key technology in high rate laser ablation a maximum laser power up to 3 kW and scan speeds up to 18,000 m/minwere applied. With the ultra fast laser beam deflection and laser a smallfocal spot diameter of 21 µm laser dwell times less than 100 nanoseconds were achieved. As a result laser intensities comparable to the q-switched lasers in the range of

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