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Deposition Sciences Inc. - Difficult Coatings - LB - 8/23

Slashing the Costs of High-Precision Micromachining

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For precision machining applications, picosecond pulses have advantages over nanosecond and femtosecond pulses.

Dr. Thomas Herrmann and Bernhard Klimt, Lumera Laser GmbH, and Dipl. Ing. Frank Siegel, Laser Zentrum Hannover eV

Nanosecond pulses from Q-switched, solid-state lasers have long been used in a variety of machining applications. More precise micromachining can be accomplished with the UV pulses from excimer lasers and with femtosecond pulses from ultrafast solid-state lasers, albeit it at a higher cost. Recent experiments have shown that picosecond pulses from diode-pumped solid-state lasers are capable of precise micromachining at surprisingly lower cost than the femtosecond alternatives. Most industrial laser machining processes rely on the nanosecond pulses from Q-switched lasers such as Nd:YAG,...Read full article

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    Published: June 2004
    Basic ScienceCoatingsConsumerexcimer lasersFeaturesindustrialmachining applicationsMicroscopynanosecond pulsesQ-switchedsolid-state lasersUV pulses

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