Goos-Hanchen Shift Of A Mid-Infrared Femtosecond Filament Visualized By The Laser Coloration Method
LASER PHYSICS LETTERS(2021)
摘要
We present the results of investigation of total internal reflection of a femtosecond light filament in a LiF crystal in the regime of anomalous group velocity dispersion. We measure the Goos-Hanchen shift of the filament in the vicinity of the critical angle for a single femtosecond pulse using the laser coloration method. The obtained experimental values are compared to several existing theoretical models.
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关键词
Goos–, Hä, nchen effect, femtosecond filamentation, total internal reflection, laser coloration
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