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Showing 1 to 12 of 139 entries
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3D visualization of XFEL beam focusing properties using LiF crystal X-ray detector.

Scientific reports

Pikuz T, Faenov A, Matsuoka T, Matsuyama S, Yamauchi K, Ozaki N, Albertazzi B, Inubushi Y, Yabashi M, Tono K, Sato Y, Yumoto H, Ohashi H, Pikuz S, Grum-Grzhimailo AN, Nishikino M, Kawachi T, Ishikawa T, Kodama R.
PMID: 26634431
Sci Rep. 2015 Dec 04;5:17713. doi: 10.1038/srep17713.

Here, we report, that by means of direct irradiation of lithium fluoride a (LiF) crystal, in situ 3D visualization of the SACLA XFEL focused beam profile along the propagation direction is realized, including propagation inside photoluminescence solid matter. High...

Using X-ray spectroscopy of relativistic laser plasma interaction to reveal parametric decay instabilities: a modeling tool for astrophysics.

Optics express

Oks E, Dalimier E, Faenov AY, Angelo P, Pikuz SA, Tubman E, Butler NMH, Dance RJ, Pikuz TA, Skobelev IY, Alkhimova MA, Booth N, Green J, Gregory C, Andreev A, Zhidkov A, Kodama R, McKenna P, Woolsey N.
PMID: 29519045
Opt Express. 2017 Feb 06;25(3):1958-1972. doi: 10.1364/OE.25.001958.

By analyzing profiles of experimental x-ray spectral lines of Si XIV and Al XIII, we found that both Langmuir and ion acoustic waves developed in plasmas produced via irradiation of thin Si foils by relativistic laser pulses (intensities ~1021...

Charge-exchange-induced two-electron satellite transitions from autoionizing levels in dense plasmas.

Physical review. E, Statistical, nonlinear, and soft matter physics

Rosmej FB, Griem HR, Elton RC, Jacobs VL, Cobble JA, Faenov AY, Pikuz TA, Geissel M, Hoffmann DH, Süss W, Uskov DB, Shevelko VP, Mancini RC.
PMID: 12513602
Phys Rev E Stat Nonlin Soft Matter Phys. 2002 Nov;66(5):056402. doi: 10.1103/PhysRevE.66.056402. Epub 2002 Nov 11.

Order-of-magnitude anomalously high intensities for two-electron (dielectronic) satellite transitions, originating from the He-like 2s(2) 1S0 and Li-like 1s2s(2) (2)S(1/2) autoionizing states of silicon, have been observed in dense laser-produced plasmas at different laboratories. Spatially resolved, high-resolution spectra and plasma...

Spatially resolved x-ray spectroscopy investigation of femtosecond laser irradiated Ar clusters.

Physical review. E, Statistical, nonlinear, and soft matter physics

Junkel-Vives GC, Abdallah J, Auguste T, D'Oliveira P, Hulin S, Monot P, Dobosz S, Faenov AY, Magunov AI, Pikuz TA, Skobelev IY, Boldarev AS, Gasilov VA.
PMID: 11909265
Phys Rev E Stat Nonlin Soft Matter Phys. 2002 Mar;65(3):036410. doi: 10.1103/PhysRevE.65.036410. Epub 2002 Feb 27.

High temperature plasmas have been created by irradiating Ar clusters with high intensity 60-fs laser pulses. Detailed spectroscopic analysis of spatially resolved, high resolution x-ray data near the He(alpha) line of Ar is consistent with a two-temperature collisional-radiative model...

Short-time synthesis of SBA-15 using various silica sources.

Journal of colloid and interface science

Fulvio PF, Pikus S, Jaroniec M.
PMID: 15925642
J Colloid Interface Sci. 2005 Jul 15;287(2):717-20. doi: 10.1016/j.jcis.2005.02.045.

A short-time synthesis of SBA-15 is reported by using two different silica sources, sodium metasilicate (Na2SiO3(9)H2O) and tetraethyl orthosilicate (TEOS). The SBA-15 samples obtained from both silica sources were highly ordered as evidenced by SAXS spectra showing five reflection...

A torquing shearing interferometer for cylindrical wire array experiments.

The Review of scientific instruments

Pikuz SA, Schrafel PC, Shelkovenko TA, Kusse BR.
PMID: 19044534
Rev Sci Instrum. 2008 Oct;79(10):10E716. doi: 10.1063/1.2965008.

In standard shearing interferometry, a single probing beam passes through a perturbing medium and is then split into two beams. A linear shift results in an overlap, an interference, and a fringe pattern yielding the perturbing medium density profile....

Efficient generation of Xe K-shell x rays by high-contrast interaction with submicrometer clusters.

Optics letters

Hayashi Y, Pirozhkov AS, Kando M, Fukuda Y, Faenov A, Kawase K, Pikuz T, Nakamura T, Kiriyama H, Okada H, Bulanov SV.
PMID: 21540945
Opt Lett. 2011 May 01;36(9):1614-6. doi: 10.1364/OL.36.001614.

The interaction between a 25 TW laser and Xe clusters at a peak intensity of 1 × 10¹⁹ W/cm² has been investigated. Xe K-shell x rays, whose energies are approximately 30 keV, were clearly observed with a hard x-ray...

Periodic mesoporous organosilicas with Im3m symmetry and large isocyanurate bridging groups.

The journal of physical chemistry. B

Grudzien RM, Pikus S, Jaroniec M.
PMID: 16494295
J Phys Chem B. 2006 Feb 23;110(7):2972-5. doi: 10.1021/jp0574652.

Adsorption and structural properties of periodic mesoporous organosilica with Im3m symmetry (SBA-16) and large heterocyclic bridging groups in cage-like mesopores are studied. The core of this bridging group is an isocyanurate ring integrated with three trimethoxysilyls through flexible propyl...

High resolution absorption spectroscopy of exploding wire plasmas using an x-pinch x-ray source and spherically bent crystal.

The Review of scientific instruments

Knapp PF, Pikuz SA, Shelkovenko TA, Hammer DA, Hansen SB.
PMID: 21721685
Rev Sci Instrum. 2011 Jun;82(6):063501. doi: 10.1063/1.3592582.

We present here the use of absorption spectroscopy of the continuum radiation from x-pinch-produced point x-ray sources as a diagnostic to investigate the properties of aluminum plasmas created by pulsed power machines. This technique is being developed to determine...

Electron optical injection with head-on and countercrossing colliding laser pulses.

Physical review letters

Kotaki H, Daito I, Kando M, Hayashi Y, Kawase K, Kameshima T, Fukuda Y, Homma T, Ma J, Chen LM, Esirkepov TZh, Pirozhkov AS, Koga JK, Faenov A, Pikuz T, Kiriyama H, Okada H, Shimomura T, Nakai Y, Tanoue M, Sasao H, Wakai D, Matsuura H, Kondo S, Kanazawa S, Sugiyama A, Daido H, Bulanov SV.
PMID: 20365929
Phys Rev Lett. 2009 Nov 06;103(19):194803. doi: 10.1103/PhysRevLett.103.194803. Epub 2009 Nov 02.

A high stability electron bunch is generated by laser wakefield acceleration with the help of a colliding laser pulse. The wakefield is generated by a laser pulse; the second laser pulse collides with the first pulse at 180 degrees...

Enhancement of photon number reflected by the relativistic flying mirror.

Physical review letters

Kando M, Pirozhkov AS, Kawase K, Esirkepov TZh, Fukuda Y, Kiriyama H, Okada H, Daito I, Kameshima T, Hayashi Y, Kotaki H, Mori M, Koga JK, Daido H, Faenov AY, Pikuz T, Ma J, Chen LM, Ragozin EN, Kawachi T, Kato Y, Tajima T, Bulanov SV.
PMID: 20366154
Phys Rev Lett. 2009 Dec 04;103(23):235003. doi: 10.1103/PhysRevLett.103.235003. Epub 2009 Dec 04.

Laser light reflection by a relativistically moving electron density modulation (flying mirror) in a wake wave generated in a plasma by a high intensity laser pulse is investigated experimentally. A counterpropagating laser pulse is reflected and upshifted in frequency...

Wide-field-of-view phase-contrast imaging of nanostructures with a comparatively large polychromatic soft x-ray plasma source.

Optics letters

Gasilov SV, Faenov AY, Pikuz TA, Fukuda Y, Kando M, Kawachi T, Skobelev IY, Daido H, Kato Y, Bulanov SV.
PMID: 19881563
Opt Lett. 2009 Nov 01;34(21):3268-70. doi: 10.1364/OL.34.003268.

Polychromatic soft x-ray plasma sources were not previously considered to be among the sources suitable for the propagation based phase contrast imaging because of their comparatively large emission-zone size. In the current work a scheme based on the combination...

Showing 1 to 12 of 139 entries