Evaluations were conducted to determine the effective deposition rates associated with various laser systems. This included the production of multiple deposits using a 3.0 kW lamp-pumped Nd:YAG with a linear traverse and scanned beam, a 4.0 kW direct diode laser, a 5.0 kW diode-pumped Nd:YAG employing a scanned beam, a 7.0 kW ytterbium fiber laser utilizing a scanned beam, and 14.0 kW CO2 laser employing a scanned beam. The results indicate that the diode pumped Nd:YAG and fiber lasers, using a scanned beam for both, provided the greatest effective deposition rates. This is believed to be due to the shorter wavelength and available power associated with these lasers. However, when laser efficiency was considered, the diode pumped Nd:YAG, direct diode, and fiber lasers were considered comparable in terms of laser deposition per energy usage.

Topics
Laser physics, Pulsed laser deposition, Materials synthesis and processing
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2007
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