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Journal Articles

X-ray spectroscopy diagnoses of clusters surviving under prepulses of ultra-intense femtosecond laser pulse irradiation

Faenov, A. Ya.*; Skobelev, I. Yu.*; Pikuz, T.; Pikuz, S. A.*; Fortov, V. E.*; Fukuda, Yuji; Hayashi, Yukio; Pirozhkov, A. S.; Kotaki, Hideyuki; Shimomura, Takuya; et al.

Laser and Particle Beams, 30(3), p.481 - 488, 2012/09

 Times Cited Count:7 Percentile:63.85(Physics, Applied)

Journal Articles

Interaction of soft X-ray laser pulse radiation with aluminum surface; Nano-meter size surface modification

Ishino, Masahiko; Faenov, A.*; Tanaka, Momoko; Hasegawa, Noboru; Nishikino, Masaharu; Tamotsu, Satoshi*; Pikuz, S.*; Inogamov, N. A.*; Zhakhovsky, V. V.*; Skobelev, I.*; et al.

AIP Conference Proceedings 1465, p.236 - 240, 2012/07

 Times Cited Count:2 Percentile:30.66

We irradiated the focusing soft X-ray laser pulses having a wavelength of 13.9 nm and the duration of 7 ps to aluminum surface. After the irradiation process, the irradiated surface was observed with a scanning electron microscope. The surface modifications caused by soft X-ray laser single pulse exposure were clearly seen. In addition, it was found that the conical structures having around 100 nm in diameters were formed in the shallow features. The nano-meter size modified surface structures on aluminum induced by the soft X-ray laser pulse is interesting as the newly surface structure. Hence, the soft X-ray laser beam would be a candidate for a tool of micromachining. We also provide a thermomechanical modeling of the soft X-ray laser interaction with aluminum briefly to explain the surface modification.

Journal Articles

The Spectra of the multicharged argon hollow ions; Observation, modeling and using for diagnostics of the early stage of the heating of clusters by a supper high contrast femtosecond laser pulses

Pikuz, T.; Faenov, A.*; Skobelev, I.*; Fortov, V. E.*; Boldarev, A.*; Gasilov, V.*; Chen, L. M.*; Zhang, L.*; Yan, W.*; Yuan, D.*; et al.

AIP Conference Proceedings 1465, p.181 - 201, 2012/07

 Times Cited Count:0 Percentile:100

Journal Articles

Ablation of insulators under the action of short pulses of X-ray plasma lasers and free-electron lasers

Inogamov, N. A.*; Anisimov, S. I.*; Petrov, Y. V.*; Khokhlov, V. A.*; Zhakhovskii, V. V.*; Faenov, A. Ya.*; Pikuz, T.; Fortov, V. E.*; Skobelev, I. Y.*; Kato, Yoshiaki*; et al.

Journal of Optical Technology, 78(8), p.473 - 480, 2011/08

 Times Cited Count:5 Percentile:67.34(Optics)

Journal Articles

Two-temperature warm dense matter produced by ultrashort Extreme Vacuum Ultraviolet-Free Electron Laser (EUV-FEL) pulse

Inogamov, N. A.*; Faenov, A. Ya.*; Zhakhovsky, V. V.*; Pikuz, T. A.*; Skobelev, I. Yu.*; Petrov, Y. V.*; Khokhlov, V. A.*; Shepelev, V. V.*; Anisimov, S. I.*; Fortov, V. E.*; et al.

Contributions to Plasma Physics, 51(5), p.419 - 426, 2011/06

 Times Cited Count:19 Percentile:29.95(Physics, Fluids & Plasmas)

Warm dense matter, arising under the action of ultrashort EUV-FEL pulse onto LiF dielectric crystal, is characterized by high temperature of conduction electrons, with their number density achieving values of the order of atom number density at maximum laser fluences in our experiments. Expansion of matter, heated and pressurized through the electron-ion energy exchange, gives rise to the spallative ablation at small fluences and gaseous outflow from a target in the case of large fluences. Ablation threshold is low in comparison with a longer nanosecond XRL.

Journal Articles

Laser ablation of gold; Experiment and atomistic simulation

Starikov, S. V.*; Stegailov, V. V.*; Norman, G. E.*; Fortov, V. E.*; Ishino, Masahiko; Tanaka, Momoko; Hasegawa, Noboru; Nishikino, Masaharu; Oba, Toshiyuki*; Kaihori, Takeshi; et al.

JETP Letters, 93(11), p.642 - 647, 2011/04

 Times Cited Count:23 Percentile:22.22(Physics, Multidisciplinary)

Journal Articles

Nanoscale surface modifications and formation of conical structures at aluminum surface induced by single shot exposure of soft X-ray laser pulse

Ishino, Masahiko; Faenov, A. Ya.*; Tanaka, Momoko; Hasegawa, Noboru; Nishikino, Masaharu; Tamotsu, Satoshi*; Pikuz, T. A.*; Inogamov, N. A.*; Zhakhovskii, V. V.*; Skobelev, I. Yu.*; et al.

Journal of Applied Physics, 109(1), p.013504_1 - 013504_6, 2011/01

 Times Cited Count:32 Percentile:18.86(Physics, Applied)

no abstracts in English

Journal Articles

Spallative ablation of dielectrics by X-ray laser

Inogamov, N. A.*; Zhakhovsky, V. V.*; Faenov, A. Ya.*; Khokhlov, V. A.*; Shepelev, V. V.*; Skobelev, I. Y.*; Kato, Yoshiaki*; Tanaka, Momoko; Pikuz, T. A.*; Kishimoto, Maki; et al.

Applied Physics A, 101(1), p.87 - 96, 2010/10

 Times Cited Count:30 Percentile:22.07(Materials Science, Multidisciplinary)

Journal Articles

Interaction of short laser pulses in wavelength range from infrared to X-ray with metals, semiconductors, and dielectrics

Inogamov, N. A.*; Faenov, A. Ya.*; Zhakhovskii, V. V.*; Skobelev, I. Y.*; Khokhlov, V. A.*; Kato, Yoshiaki*; Tanaka, Momoko; Pikuz, T. A.*; Kishimoto, Maki; Ishino, Masahiko; et al.

Contributions to Plasma Physics, 51(4), p.361 - 366, 2010/05

 Times Cited Count:18 Percentile:31.59(Physics, Fluids & Plasmas)

Oral presentation

Low-threshold ablation of dielectrics irradiated by picosecond soft X-ray laser pulses; Observation and modeling

Faenov, A. Y.; Pikuz, T. A.*; Inogamov, N. A.*; Zhakhovski, V.*; Khokhlov, V.*; Anisimov, S. I.*; Fortov, V. E.*; Kato, Yoshiaki*; Fukuda, Yuji; Tanaka, Momoko; et al.

no journal, , 

Oral presentation

Observation and modeling ablation threshold features of dielectrics irradiated by ultrashort pulses of soft X-ray transient collisional and free electron lasers

Inogamov, N. A.*; Faenov, A. Y.; Pikuz, T.*; Zhakhovski, V.*; Skobelev, I.*; Khokhlov, V.*; Anisimov, S. I.*; Fortov, V. E.*; Fukuda, Yuji; Kato, Yoshiaki*; et al.

no journal, , 

Oral presentation

Low-threshold ablation of dielectrics irradiated by ultrashort pulses of soft X-ray transient collisional and free electron lasers; Observation and modeling

Faenov, A. Y.; Pikuz, T.*; Inogamov, N. A.*; Zhakhovski, V.*; Skobelev, I.*; Khokhlov, V.*; Anisimov, S. I.*; Fortov, V. E.*; Fukuda, Yuji; Kato, Yoshiaki*; et al.

no journal, , 

Oral presentation

Splash-melting nano-meter size modification of metal surfaces induced by soft X-ray laser single pulse

Ishino, Masahiko; Faenov, A. Ya.*; Tanaka, Momoko; Pikuz, T.; Tamotsu, Satoshi*; Hasegawa, Noboru; Nishikino, Masaharu; Starikov, S. V.*; Stegailov, V. V.*; Norman, G. E.*; et al.

no journal, , 

Oral presentation

Metal surfaces nanomodifications induced by the single and multiple pulse soft X-ray laser beam irradiations

Faenov, A.*; Pikuz, T.; Ishino, Masahiko; Starikov, S. V.*; Stegailov, V. V.*; Norman, G.*; Fortov, V. E.*; Skobelev, I. Yu.*; Tamotsu, Satoshi*; Tanaka, Momoko; et al.

no journal, , 

Oral presentation

Low-threshold surface modification of metals irradiated by picosecond soft X-ray laser pulses; Observation and modeling

Pikuz, T.; Faenov, A.*; Ishino, Masahiko; Starikov, S. V.*; Stegailov, V. V.*; Norman, G. E.*; Fortov, V.*; Skobelev, I.*; Inogamov, N. A.*; Zhakhovsky, V. V.*; et al.

no journal, , 

Oral presentation

The Study of soft X-ray laser ablation and nano-scale surface modification of metals

Kawachi, Tetsuya; Ishino, Masahiko; Nishikino, Masaharu; Faenov, A.*; Pikuz, T.; Hasegawa, Noboru; Inogamov, N. A.*; Skobelev, I. Y.*; Fortov, V. E.*; Khohlov, V. A.*; et al.

no journal, , 

Laser ablation has many technological applications in material processing and nano-structure fabrication. The laser-induce damage of the materials has been intensively studied and its dependence upon the pulse width, the photon energy, and the fluence has come to be understood. Recently novel light sources in soft X-ray region, i.e., laser-based soft X-ray laser (SXRL) and X-FEL, become available, and the use of these light sources provide us new possibility of laser processing. SXRL interaction with materials is quite different from that of optical lasers: Dominant absorption process is photo-ionization which creates high energy photo-electrons with around 100 eV in localized surface layer of materials, and such a temperature growth increases the tensile stress which may induce the spallation of the surface layer or unexpected surface modification. In this presentation, we report an experimental and theoretical study of SXRL ablation and nano-scale surface modification of metals.

16 (Records 1-16 displayed on this page)
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