Pulse duration dependence of femtosecond-laser fabricated nanogratings in fused silica

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DOIResolve DOI: http://doi.org/10.1063/1.1991991
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TypeArticle
Journal titleApplied Physics Letters
Volume87
Issue1
Pages014104014104-3
AbstractFemtosecond laser radiation tightly focused in bulk fused silica is used to generate self-ordered nanogratings when the sample is translated under the lens at constant speed. The nanogratings are preserved over a length scale of millimeters. We demonstrate that nanogratings are formed for all pulse durations tested, ranging from 40to500fs40to500fs, and that the pulse energy threshold for this phenomenon increases with decreasing pulse duration. We use high spatial resolution diagnostics based upon selective chemical etching followed by atomic force microscopy and scanning electron microscopy to reveal the morphology of the nanogratings.
Publication date
AffiliationNRC Institute for Microstructural Sciences; National Research Council Canada; NRC Steacie Institute for Molecular Sciences
Peer reviewedYes
NPARC number12338062
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Record identifier2be2d9da-8a65-4383-9ed8-0aa15f01c8f4
Record created2009-09-10
Record modified2016-05-09
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