Spectrotemporal Shaping of Seeded Free-Electron Laser Pulses

被引：68

作者：

Gauthier, David ^{[1
]}

Ribic, Primoz Rebernik ^{[1
]}

De Ninno, Giovanni ^{[1
,2
]}

Allaria, Enrico ^{[1
]}

Cinquegrana, Paolo ^{[1
]}

Danailov, Miltcho Bojanov ^{[1
]}

Demidovich, Alexander ^{[1
]}

Ferrari, Eugenio ^{[1
,3
]}

Giannessi, Luca ^{[1
,4
]}

Mahieu, Benoit ^{[5
]}

Penco, Giuseppe ^{[1
]}

机构：

[1] Elettra Sincrotrone Trieste, I-34149 Trieste, Italy

[2] Univ Nova Gorica, Lab Quantum Opt, Nova Gorica 5001, Slovenia

[3] Univ Trieste, Dipartimento Fis, I-34100 Trieste, Italy

[4] Theory Grp ENEA CR Frascati, I-00044 Frascati, Italy

[5] Ecole Polytech, Lab Opt Appl, CNRS, UMR 7639,ENSTA, F-91761 Palaiseau, France

来源：

PHYSICAL REVIEW LETTERS | 2015年 / 115卷 / 11期

关键词：

EXTREME-ULTRAVIOLET; OPERATION; COHERENT;

D O I：

10.1103/PhysRevLett.115.114801

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We demonstrate the ability to control and shape the spectrotemporal content of extreme-ultraviolet (XUV) pulses produced by a seeded free-electron laser (FEL). The control over the spectrotemporal properties of XUV light was achieved by precisely manipulating the linear frequency chirp of the seed laser. Our results agree with existing theory, which allows us to retrieve the temporal properties (amplitude and phase) of the FEL pulse from measurements of the spectra as a function of the FEL operating parameters. Furthermore, we show the first direct evidence of the full temporal coherence of FEL light and generate Fourier limited pulses by fine-tuning the FEL temporal phase. The possibility of tailoring the spectrotemporal content of intense short-wavelength pulses represents the first step towards efficient nonlinear optics in the XUV to x-ray spectral region and will enable precise manipulation of core-electron excitations using the methods of coherent quantum control.

引用

页数：5

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