Controlling the parameters of short-wavelength radiation pulses using the interference of transitions to a continuum

被引：0
作者：
Yu. I. Geller
D. E. Sovkov
A. T. Khakim’yanov
机构：
[1] Krasnoyarsk State University,
来源：
Optics and Spectroscopy | 2003年 / 95卷
关键词：
Group Velocity; Total Cross Section; Elastic Scattering; Light Pulse; Wave Train;
D O I：
暂无
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学科分类号：
摘要：
Specific features of the propagation of light pulses with frequency lying in the range of autoionization resonances of the medium are analyzed. It is shown that the interference nature of the autoionization spectra makes it possible to combine a strong frequency dispersion of the refractive index with small absorption when the radiation frequency approaches the spectral range of the "transparency window" of an isolated resonance or of a series of overlapped autoionization resonances. This allows one to control the time delay of the pulses and their group velocity. Depending on the parameters of the medium, the pulse group velocity may be maximally reduced by a factor of 104–105.
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页码：613 / 621
页数：8
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