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

    Authors

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

    Comments

    Authors: contact us about adding a copy of your work at [email protected]

    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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