Title: Large spectral blue shifts in intense laser irradiation of microdroplets
Authors: Anand, M
Gibbon, Paul ×
Krishnamurthy, M #
Issue Date: 2006
Publisher: Optical Society of America
Series Title: Optics Express vol:14 issue:12 pages:5502-5507
Abstract: When methanol microdroplets of 15mm size are irradiated
by intense femtosecond laser pulses of moderate intensities (<2×10^16Wcm^−2), we observe a ‘red-light flash’ from the microplasma. We report on
the presence of a large ‘blue shoulder’ (that extends to about 200 nm from
the incident laser wavelength) in the scattered spectra that corresponds to
the red-light flash. A prepulse is found to be essential for producing the
large blue shift, which is attributed to the rapid subsequent ionization of a
near-critical density preplasma when the main pulse is incident.
ISSN: 1094-4087
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Non-KU Leuven Association publications
× corresponding author
# (joint) last author

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