High power UV q-switched and mode-locked laser comparisons for industrial processing applications

Michael Kauf; Raj Patel; Jim Bovatsek; Wolfgang Gries

doi:10.1117/12.775238

13 March 2008 High power UV q-switched and mode-locked laser comparisons for industrial processing applications

Michael Kauf, Raj Patel, Jim Bovatsek, Wolfgang Gries

Proceedings Volume 6871, Solid State Lasers XVII: Technology and Devices; 687123 (2008) https://doi.org/10.1117/12.775238
Event: Lasers and Applications in Science and Engineering, 2008, San Jose, California, United States

Abstract

It has been shown that micromachining of polymer materials using mode-locked, high repetition rate, 355nm picosecond lasers is more efficient in respect to ablation rates and processing speeds, than using q-switched lasers at the same wavelength and same average power level. In this study we present a systematic comparison of application results obtained with q-switched nanosecond and mode-locked picosecond ultraviolet (UV) lasers. From the results, guidelines are derived as to which laser type to use for best results depending upon material type and thickness. Additionally, recent results obtained using a high power mode-locked UV picosecond laser - the Pantera^TM - are described, along with implications of how scaled-up power can significantly enhance processing efficiency in manufacturing environments.

Citation Download Citation

Michael Kauf, Raj Patel, Jim Bovatsek, and Wolfgang Gries "High power UV q-switched and mode-locked laser comparisons for industrial processing applications", Proc. SPIE 6871, Solid State Lasers XVII: Technology and Devices, 687123 (13 March 2008); https://doi.org/10.1117/12.775238

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