Measurement of the Superluminal Group Velocity of an Ultrashort Bessel Beam Pulse
- 31 January 2002
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 88 (7), 073901
- https://doi.org/10.1103/physrevlett.88.073901
Abstract
The superluminal group velocity of an ultrashort optical Bessel beam pulse is measured over its entire depth of field, corresponding to optical wavelengths. The method used is to measure the traveling ionization front induced by the pulse.
Keywords
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