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Electrical and Computer Engineering
Department of Electrical and Computer Engineering: Dissertations, Theses, and Student Research
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Micron/Nano Structure Creation Through Dual Pulse Femtosecond Laser Surface Processing, Nicholas Roth
Micron/Nano Structure Creation Through Dual Pulse Femtosecond Laser Surface Processing, Nicholas Roth
Department of Electrical and Computer Engineering: Dissertations, Theses, and Student Research
A new technique has been developed for creating multiscale micro/nanoscale surfaces on metals. This technique is based on past work in femtosecond laser surface processing (FLSP) and dual pulse laser induced breakdown spectroscopy (LIBS). Using a femtosecond laser, pulse pairs were created with varying pulse separations between 0 ps to 500 ps. The creation of surface structures with dual pulse FLSP was studied on Ag, Cu, Ti, Al, Ni, and 304 stainless steel in relation to pulse separation.
Using dual pulse FLSP micro/nano structures have been created for the first time on silver. The silver structures are multiscale in nature …