Harmonic generation in the discrete spectral region of xenon using broadband femtosecond laser pulses

被引：1
作者：
Kutzner, J [1 ]
Tsilimis, G [1 ]
Zacharias, H [1 ]
机构：
[1] Univ Munster, Inst Phys, D-48149 Munster, Germany
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2005年 / 80卷 / 02期
关键词：
D O I：
10.1007/s00340-004-1709-x
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The conversion of 34-fs Ti: sapphire laser pulses into the wavelength region 105 - 210 nm has been studied in xenon for laser intensities up to 5 x 10(13) W/cm(2). A strongly structured, pressure-dependent emission spectrum is observed. Radiation is detected in regions expected for the 5th and 7th harmonics but also in regions in between. In the resonance region (lambda < 147 nm), self-phase-modulation processes in the conversion medium together with phase-matched, efficient harmonic generation in negative-dispersive spectral regions explain the observations. Broadband emission is detected in the resonance-free, positive-dispersive spectral region 155 - 210 nm. Emission from the xenon dimer is superimposed on a 'direct' 5th-harmonic signal.
引用
收藏
页码：203 / 210
页数：8
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