Laser Microprocessing Powered by UV Photons

By: Ralph Delmdahl and Rainer Pätzel Coherent GmbH, Germany UV wavelengths are particularly advantageous in laser microprocessing because the high energy photons can remove material by direct bond breaking in most materials, including plastics and glasses. This photoablation process generates virtually no heat and hence only marginal peripheral thermal damage as compared to longer wavelength lasers.

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