Title

Fabricating nanostructures on fused silica using femtosecond infrared pulses combined with sub-nanojoule ultraviolet pulses

Authors

Authors

X. M. Yu; Z. H. Chang; P. B. Corkum;S. T. Lei

Comments

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Abbreviated Journal Title

Opt. Lett.

Keywords

LASER-ABLATION; Optics

Abstract

Circular craters with diameters of 500 nm are fabricated on the surface of fused silica by femtosecond ultraviolet-infrared (UV-IR) pulse trains with 0.8 nJ UV pulse energy. UV damage thresholds at different IR energies and UV-IR delays are measured. Diameters and depths of the ablated craters can be modified by adding the IR pulse and varying the UV-IR delays. These results demonstrate the feasibility of nanomachining using short wavelength lasers with pulse energy far below normal damage thresholds. (C) 2014 Optical Society of America

Journal Title

Optics Letters

Volume

39

Issue/Number

19

Publication Date

1-1-2015

Document Type

Article

Language

English

First Page

5638

Last Page

5640

WOS Identifier

WOS:000343906400043

ISSN

0146-9592

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