Self-compression of attosecond high-order harmonic pulses

被引：47
|
作者：
Kim, Kyung Taec [1 ]
Kang, Kyung Sik
Park, Mi Na
Imran, Tayyab
Umesh, G.
Nam, Chang Hee
机构：
[1] Korea Adv Inst Sci & Technol, Dept Phys, Taejon 305701, South Korea
[2] Korea Adv Inst Sci & Technol, Coherent Xray Res Ctr, Taejon 305701, South Korea
[3] Natl Inst Technol Karnataka, Dept Phys, Mangalore 575025, India
来源：
PHYSICAL REVIEW LETTERS | 2007年 / 99卷 / 22期
关键词：
D O I：
10.1103/PhysRevLett.99.223904
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Self-compression of attosecond high-order harmonic pulses in the harmonic generation medium itself has been demonstrated. The attosecond pulses were generated in an argon-filled gas cell and compressed by exploiting the dispersion characteristics of argon. Since the harmonic generation medium itself was used as the compression medium, continuous chirp control was easily achieved by adjusting the gas pressure. The optimized attosecond pulse was also the most intense, and its duration of 206 as was very close to the transform-limited value of 200 as.
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页数：4
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