X-ray emission from stainless steel foils irradiated by femtosecond petawatt laser pulses

被引：5

作者：

Alkhimova, M. A. ^{[2
,3
]}

Faenov, A. Ya ^{[1
,2
]}

Pikuz, T. A. ^{[2
,4
]}

Skobelev, I. Yu ^{[2
,3
]}

Pikuz, S. A. ^{[2
,3
]}

Nishiuchi, M. ^{[5
]}

Sakaki, H. ^{[5
]}

Pirozhkov, A. S. ^{[5
]}

Sagisaka, S. ^{[5
]}

Dover, N. P. ^{[5
]}

Kondo, Ko ^{[5
]}

Ogura, K. ^{[5
]}

Fukuda, Y. ^{[5
]}

Kiriyama, H. ^{[5
]}

Esirkepov, T. ^{[5
]}

Bulanov, S. V. ^{[5
]}

Andreev, A. ^{[6
,7
]}

Kando, M. ^{[5
]}

Zhidkov, A. ^{[8
]}

Nishitani, K. ^{[9
]}

Miyahara, T. ^{[9
]}

Watanabe, Y. ^{[9
]}

Kodama, R. ^{[1
,4
,8
]}

Kondo, K. ^{[5
]}

机构：

[1] Osaka Univ, Inst Acad Initiat, 1-1 Yamadaoka, Suita, Osaka 5650871, Japan

[2] Russian Acad Sci, Joint Inst High Temp, Izhorskaya 13 Bldg 2, Moscow 125412, Russia

[3] Natl Res Nucl Univ, MEPhI Moscow Engn Phys Inst, Kashirskoe Shosse 31, Moscow 115409, Russia

[4] Osaka Univ, Grad Sch Engn, 2-1 Yamadaoka, Suita, Osaka 5650871, Japan

[5] Natl Inst Quantum & Radiol Sci & Technol, Kansai Photon Sci Inst, Kizugawa Shi 8-1-7, Umemidai, Kyoto 6190215, Japan

[6] Max Born Inst, Max Born Str 2A, D-12489 Berlin, Germany

[7] Extreme Light Infrastruct Attosecond Light Pulse, Dugonics 13, H-6720 Szeged, Hungary

[8] Osaka City Univ, Photon Pioneers Ctr, 2-1 Yamadaoka, Suita, Osaka 5650871, Japan

[9] Kyushu Univ, Interdisciplinary Grad Sch Engn Sci, 6-1 Kasugakoen, Kyushu, Fukuoka 8168580, Japan

来源：

XXXII INTERNATIONAL CONFERENCE ON INTERACTION OF INTENSE ENERGY FLUXES WITH MATTER (ELBRUS 2017) | 2018年 / 946卷

基金：

俄罗斯科学基金会;

关键词：

HIGH-CONTRAST; SPECTRA;

D O I：

10.1088/1742-6596/946/1/012018

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report about nonlinear growth of x-ray emission intensity emitted from plasma generated by femtosecond petawatt laser pulses irradiating stainless steel foils. X-ray emission intensity increases as similar to I-4.5 with laser intensity I on a target. High spectrally resolved x-ray emission from front and rear surfaces of 5 mu m thickness stainless steel targets were obtained at the wavelength range 1.7-2.1 angstrom, for the first time in experiments at femtosecond petawatt laser facility J-KAREN-P. Total intensity of front x-ray spectra three times dominates to rear side spectra for maximum laser intensity I approximate to 3.2x10(21) W/cm(2). Growth of x-ray emission is mostly determined by contribution of bremsstrahlung radiation that allowed estimating bulk electron plasma temperature for various magnitude of laser intensity on target.

引用

页数：7

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