We investigate the time-frequency characteristics of high-order harmonics generated in atomic gases by intense femtosecond laser pulses using the Wigner distribution function. The dynamically induced chirp of high harmonics is calculated both quantum mechanically and semiclassically, and a good agreement between them is reached.
Time-frequency characteristics of high-order harmonics generated by intense femtosecond laser pulses
2001-01-01
199373 byte
Conference paper
Electronic Resource
English
Time-Frequency Characteristics of High-Order Harmonics Generated by Intense Femtosecond Laser Pulses
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