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- W2497218145 abstract "In recent years, femtosecond laser micro/nano fabrication has attractedmuch interest. With ultrahigh power intensities and ultrashort irradiationperiods, femtosecond laser presents unique advantages over conventionallaser. Femtosecond laser machining can greatly reduce the heat-affectedzone, microcracks and recast layer when it interacts with materials,which changes the physical and chemical mechanisms of laser-materialinteraction basically. Almost all materials can be manufactured byfemtosecond laser via a noncontact and nonthermal process. In addition,femtosecond laser machining can break through the optical diffractionlimit as a result of the nonlinear multi-photon effect occurred whenit processes materials, which improves the precision significantly.Both sub-micron structures and three dimensional complex structurescan be fabricated by femtosecond laser high-precision low-energy-consumptionprocessing. In short, femtosecond laser presents unique advantagesin the field of micro/nano manufacturing. The pulse width of femtosecondlaser is usually shorter than or equal to the characteristic timeof most of the physical/chemical processes, so that a series of interestingphenomena are induced through controlling the local transient electronsdynamics during the processing. Periodic surface micro/nano structures,which have significant effects on the surface properties of the materials,have been observed on almost all materials including metals, dielectrics,semiconductors and so on during femtosecond laser machining. Manyresearchers have carried out theoretical and experimental studieson femtosecond laser-induced periodic surface structures (LIPSS),such as ripples, quasi-periodic conical structures, regularly arrangednano-column structures and so on, due to their great applied potentialitiesin national defense, medical treatment, top-end manufacture and otherfields." @default.
- W2497218145 created "2016-08-23" @default.
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- W2497218145 date "2016-01-01" @default.
- W2497218145 modified "2023-09-22" @default.
- W2497218145 title "Femtosecond laser-induced periodic surface structure and its applications" @default.
- W2497218145 doi "https://doi.org/10.1360/n972015-00739" @default.
- W2497218145 hasPublicationYear "2016" @default.
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