Spallative ablation of dielectrics by X-ray laser

被引：33

作者：

Inogamov, N. A. ^{[1
]}

Zhakhovsky, V. V. ^{[2
,3
]}

Faenov, A. Y. ^{[3
,4
]}

Khokhlov, V. A. ^{[1
]}

Shepelev, V. V. ^{[5
]}

Skobelev, I. Y. ^{[3
]}

Kato, Y. ^{[4
,6
]}

Tanaka, M. ^{[4
]}

Pikuz, T. A. ^{[3
,4
]}

Kishimoto, M. ^{[4
]}

Ishino, M. ^{[4
]}

Nishikino, M. ^{[4
]}

Fukuda, Y. ^{[4
]}

Bulanov, S. V. ^{[4
]}

Kawachi, T. ^{[4
]}

Petrov, Y. V. ^{[1
]}

Anisimov, S. I. ^{[1
]}

Fortov, V. E. ^{[3
]}

机构：

[1] Russian Acad Sci, LD Landau Theoret Phys Inst, Chernogolovka 142432, Russia

[2] Univ S Florida, Dept Phys, Tampa, FL 33620 USA

[3] Russian Acad Sci, Joint Inst High Temp, Moscow 125412, Russia

[4] Japan Atom Energy Agcy, Kansai Photon Sci Inst, Kizu, Kyoto 6190215, Japan

[5] Russian Acad Sci, Inst Comp Aided Design, Moscow 123056, Russia

[6] Grad Sch Creat New Photon Ind, Shizuoka 4311202, Japan

来源：

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2010年 / 101卷 / 01期

关键词：

INDUCED BREAKDOWN; LITHIUM-FLUORIDE; PLASMA FORMATION; PHASE EXPLOSION; PULSE; MATTER; STRENGTH; RATES; BEAM; NM;

D O I：

10.1007/s00339-010-5764-3

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A short laser pulse in wide range of wavelengths, from infrared to X-ray, disturbs electron-ion equilibrium and increases pressure in a heated layer. The case where the pulse duration tau (L) is shorter than acoustic relaxation time t (s) is considered in the paper. It is shown that this short pulse may cause thermomechanical phenomena such as spallative ablation regardless of wavelength. While the physics of electron-ion relaxation strongly depends on wavelength and various electron spectra of substances: there are spectra with an energy gap in semiconductors and dielectrics opposed to gapless continuous spectra in metals. The paper describes entire sequence of thermomechanical processes from expansion, nucleation, foaming, and nanostructuring to spallation with particular attention to spallation by X-ray pulse.

引用

页码：87 / 96

页数：10

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