Enhanced absorption and plasmon excitation in the bulk of fused silica with femtosecond Bessel beams

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TitreEnhanced absorption and plasmon excitation in the bulk of fused silica with femtosecond Bessel beams
Type de publicationConference Paper
Year of Publication2016
AuteursXie C., Giust R., Zhang J., Jukna V., Meyer R., Furfaro L., Jacquot M., Froehly L., Dudley J.M, Couairon A., Courvoisier F.
Conference Name2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO)
PublisherIEEE
Conference Location345 E 47TH ST, NEW YORK, NY 10017 USA
ISBN Number978-1-9435-8011-8
Résumé

We image femtosecond Bessel beam propagation in fused silica under ablation conditions, and observe unexpectedly high absorption. We identify plasmon excitation and plasma channel field enhancement as the likely mechanism for this increased absorption.