Tracking spectral shapes and temporal dynamics along a femtosecond filament

被引：15
|
作者：
Schulz, Emilia [1 ,2 ]
Steingrube, Daniel S. [1 ,2 ]
Binhammer, Thomas [3 ]
Gaarde, Mette B. [4 ,5 ]
Couairon, Arnaud [6 ]
Morgner, Uwe [1 ,2 ,7 ]
Kovacev, Milutin [1 ,2 ]
机构：
[1] Leibniz Univ Hannover, Inst Quantenopt, D-30167 Hannover, Germany
[2] Ctr Quantum Engn & Space Time Res, QUEST, Hannover, Germany
[3] VENTEON Laser Technol GmbH, D-30827 Garbsen, Germany
[4] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA
[5] SLAC Natl Accelerator Lab, PULSE Inst, Menlo Pk, CA 94025 USA
[6] Ecole Polytech, CNRS, Ctr Phys Theor, F-91128 Palaiseau, France
[7] Laser Zentrum Hannover eV, Hannover, Germany
来源：
OPTICS EXPRESS | 2011年 / 19卷 / 20期
基金：
美国国家科学基金会;
关键词：
PULSE SELF-COMPRESSION; CYCLE LASER-PULSES; REFRACTIVE-INDEX; BESSEL BEAMS; INERT-GASES; AIR; IONIZATION; GENERATION; WATER; RADIATION;
D O I：
10.1364/OE.19.019495
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The spectral evolution of a high-intensity light channel formed by filamentation is investigated in a detailed experimental study. We also track the spatio-temporal dynamics by high-order harmonic generation along the filament. Both the spectral and temporal diagnostics are performed as a function of propagation distance, by extracting the light pulses directly from the hot filament core into vacuum via pinholes that terminate the nonlinear propagation. We compare the measured spectral shapes to simulations and analyze numerically the temporal dynamics inside the filament. (C) 2011 Optical Society of America
引用
收藏
页码：19495 / 19507
页数：13
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