Near-infrared femtosecond laser machining initiated by ultraviolet multiphoton ionization

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Show simple item record Yu, Xiaoming Bian, Qiumei Zhao, B. Chang, Zenghu Corkum, P. B. Lei, Shuting 2013-05-06T21:27:06Z 2013-05-06T21:27:06Z 2013-05-06
dc.description.abstract We report on the experimental study of microstructures fabricated on the surface of fused silica by two femtosecond laser pulses, a tightly focused 266 nm beam followed by a loosely focused 800 nm beam. By setting the fluence of each pulse below the damage threshold, visible microstructures are fabricated using the combined beams. Our results suggest that the ultraviolet pulse generates seed electrons through multiphoton absorption, and the near-infrared pulse utilizes these electrons to cause damage by avalanche ionization. en_US
dc.language.iso en_US en_US
dc.relation.uri en_US
dc.rights Copyright 2013 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. en_US
dc.subject Microstructures en_US
dc.subject Ultraviolet multiphoton ionization en_US
dc.title Near-infrared femtosecond laser machining initiated by ultraviolet multiphoton ionization en_US
dc.type Article (publisher version) en_US 2013 en_US
dc.citation.doi doi:10.1063/1.4794946 en_US
dc.citation.epage 101111-4 en_US
dc.citation.issue 10 en_US
dc.citation.jtitle Applied Physics Letters en_US
dc.citation.spage 101111-1 en_US
dc.citation.volume 102 en_US
dc.contributor.authoreid lei en_US

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