Laser micromachining is of great interest for industrial manufacturing applications as well as for scientific research. The main advantages of the laser as a manufacturing tool are the high speed at which a laser beam can be moved and that laser light is not subject to wear and tear like standard machining tools. Besides the wavelength, the pulse duration of the laser is the main parameter influencing the nature of the laser-material coupling. Pulse durations of down to a few femtoseconds are available from state of the art ultrafast laser systems. The high peak intensities provided by ultrashort pulses initiate multiphoton absorption mechanisms, bridging a band gap much larger than the photon energy. By applying ultrashort pulses the ablation of nearly any material is possible by multiphoton absorption.
Please see our Laser Micromachining application note for additional information.
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