Frustration of photoionization of Ar nanoplasma produced by extreme ultraviolet FEL pulses

被引：8

作者：

Iwayama, H. ^{[1
,2
]}

Nagaya, K. ^{[1
,2
]}

Yao, M. ^{[1
,2
]}

Fukuzawa, H. ^{[2
,3
]}

Liu, X-J ^{[2
,3
,4
]}

Pruemper, G. ^{[2
,3
]}

Motomura, K. ^{[2
,3
]}

Ueda, K. ^{[2
,3
]}

Saito, N. ^{[2
,5
]}

Rudenko, A. ^{[6
]}

Foucar, L. ^{[7
,8
]}

Nagasono, M. ^{[2
]}

Higashiya, A. ^{[2
]}

Yabashi, M. ^{[2
]}

Ishikawa, T. ^{[2
]}

Ohashi, H. ^{[2
]}

Kimura, H. ^{[2
,9
]}

机构：

[1] Kyoto Univ, Dept Phys, Kyoto 6068502, Japan

[2] RIKEN SPring 8, Sayo, Hyogo 6795148, Japan

[3] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Sendai, Miyagi 9808577, Japan

[4] Synchrotron SOLEIL, F-91192 Lorme Des Merisiers, St Abubin, France

[5] Natl Metrol Inst Japan, AIST, Tsukuba, Ibaraki 3058568, Japan

[6] Kansas State Univ, Dept Phys, JR Macdonald Lab, Manhattan, KS 66506 USA

[7] DESY, CFEL, Max Planck Adv Study Grp, D-22607 Hamburg, Germany

[8] Max Planck Inst Med Res, D-69120 Heidelberg, Germany

[9] Japan Synchrotron Radiat Res Inst, Sayo, Hyogo 6795148, Japan

来源：

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2013年 / 46卷 / 16期

基金：

日本学术振兴会;

关键词：

FREE-ELECTRON-LASER; CLUSTERS;

D O I：

10.1088/0953-4075/46/16/164019

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on the laser power dependence of photoabsorptions of Ar clusters irradiated by extreme ultraviolet-free electron laser (EUV-FEL) at the wavelength of 62 nm. We measured kinetic energy distributions of fragment ions with our ion momentum spectrometer. From the measured kinetic energy distributions, we estimated charge states of irradiated Ar clusters using the classical uniformly charged sphere model. Our results show that the EUV-FEL irradiation of Ar clusters results in the frustration of direct photoionization leading to nanoplasma formation and subsequent strong electron-ion charge recombination.

引用

页数：6

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