"Water window" compact, table-top laser plasma soft X-ray sources based on a gas puff target

被引：73

作者：

Wachulak, P. W. ^{[1
]}

Bartnik, A. ^{[1
]}

Fiedorowicz, H. ^{[1
]}

Rudawski, P. ^{[1
]}

Jarocki, R. ^{[1
]}

Kostecki, J. ^{[1
]}

Szczurek, M. ^{[1
]}

机构：

[1] Mil Univ Technol, Inst Optoelect, PL-00908 Warsaw, Poland

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2010年 / 268卷 / 10期

关键词：

Soft X-rays; Soft X-ray sources; Water window" sources; Gas puff target; Laser applications; Laser-produced plasma; ZONE PLATES; MICROSCOPY; EMISSION;

D O I：

10.1016/j.nimb.2010.02.002

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We have developed compact, high repetition, table-top soft-X-ray sources, based on a gas puff target, emitting in "water window" spectral range at lambda = 2.88 nm from nitrogen gas target or, in 2-4 nm range of wavelengths, from argon gas target. Double stream gas puff target was pumped optically by commercial Nd:YAG laser, energy 0.74 J, pulse time duration 4 ns. Spatial distribution of laser-produced plasma was imaged using a pinhole camera. Using transmission grating spectrometer, argon and nitrogen emission spectra were obtained, showing strong emission in the "water window" spectral range. Using AXUV100 detector the flux measurements of the soft-X-ray pulses were carried out and are presented. These debris free sources are table-top alternative for free electron lasers and synchrotron installations. They can be successfully employed in microscopy, spectroscopy and metrology experiments among others. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：1692 / 1700

页数：9

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