Please use this identifier to cite or link to this item: https://doi.org/10.1117/12.596288
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dc.titleUltrafast laser processing of transparent materials
dc.contributor.authorWang, Z.B.
dc.contributor.authorHong, M.H.
dc.contributor.authorYin, L.
dc.contributor.authorChong, T.C.
dc.date.accessioned2014-06-19T03:31:35Z
dc.date.available2014-06-19T03:31:35Z
dc.date.issued2004
dc.identifier.citationWang, Z.B., Hong, M.H., Yin, L., Chong, T.C. (2004). Ultrafast laser processing of transparent materials. Proceedings of SPIE - The International Society for Optical Engineering 5662 : 215-220. ScholarBank@NUS Repository. https://doi.org/10.1117/12.596288
dc.identifier.issn0277786X
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/72115
dc.description.abstractThe advantages of ultrafast laser processing of materials include a minimal thermal penetration region and low processing temperature, precision removal of material, and good-quality feature definition. In this paper, fs laser (800 nm, 100 fs) processing of transparent materials at different focus positions and different laser intensities is investigated. Different morphologies are presented and compared. It is found that at controlled laser fluences, both bowl-shape and hump-like microstructures can be produced at the material surfaces. The lengths of the cracks produced inside the bulk material were measured as a function of the focus positions. The physical mechanisms for the formation of different microstructures are discussed. To reduce the patterning size, we employ transparent particles as microlens on the surfaces by self-assembly. Parallel structures in nanometer scale were produced by single fs laser pulse irradiation. These nanostructures change their shapes at different laser energies. The optical near-field distribution around the particle was also calculated according to exact solution of light scattering problem.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1117/12.596288
dc.sourceScopus
dc.subjectCracks
dc.subjectFar-field
dc.subjectNear-field
dc.subjectTransparent materials
dc.subjectUltrafast laser
dc.typeConference Paper
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.doi10.1117/12.596288
dc.description.sourcetitleProceedings of SPIE - The International Society for Optical Engineering
dc.description.volume5662
dc.description.page215-220
dc.description.codenPSISD
dc.identifier.isiut000224751600035
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