Optimization of the wave front of high order harmonics

被引：33

作者：

Gautier, J. ^{[1
]}

Zeitoun, P. ^{[1
]}

Hauri, C. ^{[1
]}

Morlens, A. -S. ^{[1
]}

Rey, G. ^{[1
]}

Valentin, C. ^{[1
]}

Papalarazou, E. ^{[1
]}

Goddet, J. -P. ^{[1
]}

Sebban, S. ^{[1
]}

Burgy, F. ^{[1
]}

Mercere, P. ^{[2
]}

Idir, M. ^{[2
]}

Dovillaire, G. ^{[3
]}

Levecq, X. ^{[3
]}

Bucourt, S. ^{[3
]}

Fajardo, M. ^{[4
]}

Merdji, H. ^{[5
]}

Caumes, J. -P. ^{[5
]}

机构：

[1] Ecole Polytech, CNRS, Ecole Natl Super Tech Avancees, Lab Opt Appl,UMR7639, F-91761 Palaiseau, France

[2] Synchrotron SOLEIL, F-91192 Gif Sur Yvette, France

[3] Imagine Opt, F-91400 Orsay, France

[4] Univ Tecn Lisboa, Inst Plasmas & Fusao Nucl, Inst Super Tecn, P-1049001 Lisbon, Portugal

[5] Ctr Etud Saclay, Serv Photons Atomes & Mol, CEA, F-91191 Gif Sur Yvette, France

来源：

EUROPEAN PHYSICAL JOURNAL D | 2008年 / 48卷 / 03期

关键词：

D O I：

10.1140/epjd/e2008-00123-2

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a full optimization of the high harmonics wave front owing to the use of a soft X-ray Hartmann sensor. The sensor was calibrated using a high harmonic source with an accuracy of lambda/50 root-mean-square (rms) with lambda around 30 nm. We observed a high harmonic wave front of lambda/7 rms, which is two times the diffraction-limit, astigmatism being the dominant aberration for every condition of generation. By clipping slightly the unfocused high harmonic beam, it is possible to produce a diffraction-limited beam containing approximately 90% of the incident energy.

引用

页码：459 / 463

页数：5

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