Researchers have identified the effects of the choice of laser on LIPSS, providing insight into key manufacturing parameters. The electronic and optical devices that we use on a daily basis, such as mobile phones, LEDs, and solar cells use transistors and other constituents that are consistently
By using a Ti:Sapphire laser and a mid-infrared free-electron laser to structure silicon, scientists have demonstrated how laser-induced periodic surface structure varies depending on the laser properties. Credit: Reina Miyagawa of Nagoya Institute of Technology
Producing such small components for electronic devices requires the machining and preparation of structures on sub-micron scales, up to hundreds of times smaller than the width of a human hair. But current methods for the nanofabrication of surfaces use photolithography and e-beam lithography— methods that are complicated, extremely expensive, generally inaccessible, and require high levels of expertise.
Through an appropriate choice of laser properties, laser-induced period surface structure can be tuned and tailored for specific applications by manipulating its defects, strain, and periodicity. Credit: Reina Miyagawa of Nagoya Institute of Technology
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