Journal
OPTICS LETTERS
Volume 48, Issue 19, Pages 5101-5104Publisher
Optica Publishing Group
DOI: 10.1364/OL.501319
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In this study, we demonstrate the self-compression of near-infrared laser pulses down to 8.8 fs in ambient air using self-phase modulation in air and negative dispersion in laser-induced plasma. The compressed pulses are achieved through conical radiation, eliminating the need for additional dispersion compensation. This offers a simple and compact approach to generate sub-10 fs laser pulses for time-resolved applications in ultrafast diagnostics and spectroscopy.
We demonstrate self-compression of 98 fs near-infrared laser pulses down to 8.8 fs in ambient air, utilizing self-phase modulation in air and negative dispersion in the properties of a laser-induced plasma. The blueshifted pulses achieve self-compression through conical radiation, eliminating the need for additional dispersion compensation. The results highlight a simple and compact approach to generate sub-10 fs laser pulses without additional measures for time-resolved applications in ultrafast diagnostics and spectroscopy. (c) 2023 Optica Publishing Group
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