Industrial applications of a fiber-based high-average-power picosecond laser

Colin Moorhouse

doi:10.1117/12.805506

24 February 2009 Industrial applications of a fiber-based high-average-power picosecond laser

Colin Moorhouse

Proceedings Volume 7201, Laser Applications in Microelectronic and Optoelectronic Manufacturing VII; 72010F (2009) https://doi.org/10.1117/12.805506
Event: SPIE LASE: Lasers and Applications in Science and Engineering, 2009, San Jose, California, United States

Abstract

Presently lasers are well established tools for materials processing due to advantages such as (i) the non-contact nature of the laser-material interaction, (ii) the high precision achievable and (iii) no requirement for high vacuum equipment or costly chemicals. Now, industrial laser users demand improvements in order to achieve higher quality features with reduced heat affected zones and so it is increasingly necessary to use shorter pulse durations. To satisfy these needs, there has been significant research into ultrafast laser technology for decades, however at this time, these lasers have yet to be adopted by industry for mass production. Recent developments have shown that the combination of a fibre seed oscillator and Diode Pumped Solid State (DPSS) amplifying technology can offer high average power, picosecond pulses (~10ps) in an industrially-rugged package. The significant laser design aspects are outlined here, along with the advantages this technology offers for applications such as silicon via drilling, thin film patterning and the machining of wide bandgap materials.

Citation Download Citation

Colin Moorhouse "Industrial applications of a fiber-based high-average-power picosecond laser", Proc. SPIE 7201, Laser Applications in Microelectronic and Optoelectronic Manufacturing VII, 72010F (24 February 2009); https://doi.org/10.1117/12.805506

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