Time-frequency characterization of femtosecond extreme ultraviolet pulses -: art. no. 193901

被引：43

作者：

Norin, J

Mauritsson, J

Johansson, A

Raarup, MK

Buil, S

Persson, A

Dühr, O

Gaarde, MB

Schafer, KJ

Keller, U

Wahlström, CG

L'Huillier, A

机构：

[1] Lund Inst Technol, Dept Phys, S-22100 Lund, Sweden

[2] Aarhus Univ, Inst Phys & Astron, DK-8000 Aarhus C, Denmark

[3] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA

[4] ETH Honggerberg, HPT, Inst Quantum Elect, Ultrafast Laser Phys Lab, CH-8093 Zurich, Switzerland

来源：

PHYSICAL REVIEW LETTERS | 2002年 / 88卷 / 19期

关键词：

D O I：

10.1103/PhysRevLett.88.193901

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present energy-resolved cross-correlation measurements of an extreme ultraviolet (XUV) pulse, generated as the fifth harmonic (15.5 eV) of an intense 80 fs laser pulse centered at 400 nm. Spectrally resolving the cross-correlation signal allows us to characterize the time-dependent frequency of the XUV pulse. We find that the fifth harmonic has a small negative chirp in excess of that predicted by perturbation theory. In addition, by manipulating the chirp of the driving laser we can induce and measure a positive or a negative chirp on the XUV pulse.

引用

页码：1939011 / 1939014

页数：4

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