Laser-accelerated particle beams for stress testing of materials

被引：83

作者：

Barberio, M. ^{[1
]}

Sciscio, M. ^{[1
,2
,3
]}

Vallieres, S. ^{[1
]}

Cardelli, F. ^{[1
,2
,3
]}

Chen, S. N. ^{[4
,5
]}

Famulari, G. ^{[6
]}

Gangolf, T. ^{[4
]}

Revet, G. ^{[4
,5
]}

Schiavi, A. ^{[2
,3
]}

Senzacqua, M. ^{[2
,3
]}

Antici, P. ^{[1
]}

机构：

[1] INRS EMT, 1650 Boul Lionel Boulet, Varennes, PQ, Canada

[2] Univ Roma La Sapienza, Dip SBAI, Via A Scarpa 16, I-00161 Rome, Italy

[3] INFN, Via A Scarpa 16, I-00161 Rome, Italy

[4] Ecole Polytech, LULI, Route Saclay, F-91128 Palaiseau, France

[5] Inst Appl Phys, 46 Ulyanov St, Nizhnii Novgorod 603950, Russia

[6] McGill Univ, Med Phys Unit, Montreal, PQ, Canada

来源：

NATURE COMMUNICATIONS | 2018年 / 9卷

基金：

加拿大自然科学与工程研究理事会;

关键词：

HIGH-ENERGY; PLASMA; DRIVEN; IONS;

D O I：

10.1038/s41467-017-02675-x

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Laser-driven particle acceleration, obtained by irradiation of a solid target using an ultra-intense (I > 10(18) W/cm(2)) short-pulse (duration <1 ps) laser, is a growing field of interest, in particular for its manifold potential applications in different domains. Here, we provide experimental evidence that laser-generated particles, in particular protons, can be used for stress testing materials and are particularly suited for identifying materials to be used in harsh conditions. We show that these laser-generated protons can produce, in a very short time scale, a strong mechanical and thermal damage, that, given the short irradiation time, does not allow for recovery of the material. We confirm this by analyzing changes in the mechanical, optical, electrical, and morphological properties of five materials of interest to be used in harsh conditions.

引用

页数：7

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