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Jinno, Satoshi; Fukuda, Yuji; Sakaki, Hironao; Yogo, Akifumi; Kanasaki, Masato; Kondo, Kiminori; Faenov, A. Ya.; Skobelev, I. Yu.*; Pikuz, T. A.; Boldarev, A. S.*; et al.
Progress in Ultrafast Intense Laser Science XI; Springer Series in Chemical Physics, Vol.109, p.215 - 233, 2015/00
Clusters formed in supersonic gas expansion through a three-staged conical nozzle have been verified by measuring the angular distribution of the light scattered from cluster target. The size distirbutions of the clusters are calculated based on the Mie theory. The reliability of the size measurement is verified to be an experimental error of 10% using standard particles. The mean sizes of CO
clusters for the cases of CO/H and CO/He mixed-gas targets are estimated to be 0.26 
m and 0.22 m, respectively. For the CO/H, the cluster density is estimated to be 5.5 
clusters/cm
by measuring the attenuation of the laser beam intensity. Furthermore, total gas density profiles are obtained via the Abel inversion from the phase shift of the light passing through the target using an interferometer. The variation of the cluster mass fraction along the radial direction of the target is almost constant, which is consistent with a Boldarev's model.
clusters formed in a supersonic expansion of a gas mixtureJinno, Satoshi; Fukuda, Yuji; Sakaki, Hironao; Yogo, Akifumi; Kanasaki, Masato; Kondo, Kiminori; Faenov, A. Ya.*; Skobelev, I. Yu.*; Pikuz, T. A.; Boldarev, A. S.*; et al.
Optics Express (Internet), 21(18), p.20656 - 20674, 2013/09
Times Cited Count：27 Percentile：73.91(Optics)A detailed mathematical model is presented for a submicron-sized cluster formation in a binary gas mixture flowing through a three-staged conical nozzle. In order to experimentally confirm this model, the cluster sizes have been evaluated using the Mie scattering method, which is to measure the angular distribution of light scattered from targets. The mean sizes of CO clusters produced in the gas mixtures of CO(30%)/H(70%) and CO(10%)/He(90%) are estimated to be 0.28
0.03 m and 0.260.04 m, respectively. In addition, total gas density profiles measured with an interferometer were found to be agreed with the numerical modeling within a factor of two. The dryness (
ratio) in the targets was found to support the numerical modeling. Thus, our mathematical model of cluster formation was proved to be reliable enough for the binary gas mixture by the experimental results.
clusters formed with a supersonic expansion of a mixed-gas using a three-staged nozzleJinno, Satoshi; Fukuda, Yuji; Sakaki, Hironao; Yogo, Akifumi; Kanasaki, Masato; Kondo, Kiminori; Faenov, A. Ya.*; Skobelev, I. Yu.*; Pikuz, T. A.; Boldarev, A. S.*; et al.
Applied Physics Letters, 102(16), p.164103_1 - 164103_4, 2013/04
Times Cited Count：26 Percentile：68.39(Physics, Applied)The size of CO clusters, produced in a supersonic expansion of a mixed-gas of CO/He or CO/H through a three-staged conical nozzle designed based on the Boldarev's model, has been evaluated by measuring the angular distribution of light scattered from the clusters. The data are analyzed utilizing the Mie scattering theory, and the sizes of CO clusters are estimated as 0.22 m and 0.25 m for the cases of CO/He and CO/H gas mixtures, respectively. The results confirm that the Boldarev's model is reliable enough for the production of micron-sized clusters.
Pikuz, T. A.; 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：0.00(Physics, Applied)Faenov, A. Ya.*; Skobelev, I. Yu.*; Pikuz, T. A.; Fortov, V. E.*; Boldarev, A. S.*; Gasilov, V. A.*; Chen, L. M.*; Zhang, L.*; Yan, W. C.*; Yuan, D. W.*; et al.
JETP Letters, 94(3), p.171 - 176, 2011/10
Times Cited Count：17 Percentile：66.39(Physics, Multidisciplinary)Fukuda, Yuji; Faenov, A.*; Tampo, Motonobu; Pikuz, T.*; Nakamura, Tatsufumi; Kando, Masaki; Hayashi, Yukio; Yogo, Akifumi; Sakaki, Hironao; Kameshima, Takashi*; et al.
Progress in Ultrafast Intense Laser Science VII, p.225 - 240, 2011/05
http://www.springer.com/physics/atomic,+molecular,+optical+%26+plasma+physics/book/978-3-642-18326-3We present substantial enhancement of the accelerated ion energies up to 10-20 MeV per nucleon by utilizing the unique properties of the cluster-gas target irradiated with 40-fs laser pulses of only 150 mJ energy, corresponding to approximately tenfold increase in the ion energies compared to previous experiments using thin foil targets. A particle-in-cell simulation infers that the high energy ions are generated at the rear side of the target due to the formation of a strong dipole vortex structure in sub-critical density plasmas. The demonstrated method can be important in the development of efficient laser ion accelerators for hadron therapy and other applications.
Ouart, N. D.*; Safronova, A. S.*; Faenov, A. Ya.; Pikuz, T. A.*; Gasilov, S. V.*; Stagira, S.*; Calegari, F.*; Nisoli, M.*; De Silvestri, S.*; Poletto, L.*; et al.
Journal of Physics; Conference Series, 244(4), p.042004_1 - 042004_4, 2010/08
Times Cited Count：2 Percentile：56.44(Physics, Fluids & Plasmas)Pikuz, S. A. Jr.*; Chefonov, O. V.*; Gasilov, S. V.*; Komarov, P. S.*; Ovchinikov, A. V.*; Skobelev, I. Yu.*; Ashitkov, S. Yu.*; Agranat, M. V.*; Faenov, A. Ya.
Journal of Physics; Conference Series, 244(4), p.042030_1 - 042030_4, 2010/08
Times Cited Count：1 Percentile：37.42(Physics, Fluids & Plasmas)Faenov, A. Ya.; Pikuz, T.*; Fukuda, Yuji; Kando, Masaki; Kotaki, Hideyuki; Homma, Takayuki; Kawase, Keigo; Skobelev, I.*; Gasilov, S.*; Kawachi, Tetsuya; et al.
Japanese Journal of Applied Physics, 49(6), p.06GK03_1 - 06GK03_5, 2010/06
Times Cited Count：8 Percentile：32.77(Physics, Applied)Fukuda, Yuji; Faenov, A. Ya.; Tampo, Motonobu; Pikuz, T. A.*; Nakamura, Tatsufumi; Kando, Masaki; Hayashi, Yukio; Yogo, Akifumi; Sakaki, Hironao; Kameshima, Takashi*; et al.
Physical Review Letters, 103(16), p.165002_1 - 165002_4, 2009/10
Times Cited Count：178 Percentile：96.64(Physics, Multidisciplinary)A new approach for accelerating ions, based on the use of a cluster-gas target and a compact ultrashort pulse laser, is presented. It is shown that ions with energy 10-20 MeV per nucleon having a small divergence (full angle) of 3.4
are generated, corresponding to an approximately tenfold increase in the ion energies compared to previous experiments using solid targets. It is inferred from a particle-in-cell code simulation that the high energy ions are generated at the rear side of the target due to the formation of a strong dipole vortex structure in near-critical density plasmas.
Faenov, A. Ya.; Pikuz, T. A.*; Fukuda, Yuji; Kando, Masaki; Kotaki, Hideyuki; Homma, Takayuki; Kawase, Keigo; Kameshima, Takashi*; Pirozhkov, A. S.; Yogo, Akifumi; et al.
Applied Physics Letters, 95(10), p.101107_1 - 101107_3, 2009/09
Times Cited Count：39 Percentile：77.76(Physics, Applied)Gasilov, S.*; Faenov, A. Ya.; Pikuz, T.*; Skobelev, I.*; Boldarev, A.*; Gasilov, V.*; Magunov, A.*; Fukuda, Yuji; Kando, Masaki; Kotaki, Hideyuki; et al.
Contributions to Plasma Physics, 49(7-8), p.488 - 495, 2009/09
Times Cited Count：5 Percentile：19.16(Physics, Fluids & Plasmas)Faenov, A. Ya.; Pikuz, T. A.; Pikuz, S. A.*; Fukuda, Yuji; Kando, Masaki; Kotaki, Hideyuki; Homma, Takayuki; Kawase, Keigo; Kameshima, Takashi*; Pirozhkov, A. S.; et al.
Contributions to Plasma Physics, 49(7-8), p.507 - 516, 2009/09
Times Cited Count：5 Percentile：19.16(Physics, Fluids & Plasmas)Fukuda, Yuji; Faenov, A. Ya.; Tampo, Motonobu; Pikuz, T. A.*; Nakamura, Tatsufumi; Kando, Masaki; Hayashi, Yukio; Yogo, Akifumi; Sakaki, Hironao; Kameshima, Takashi; et al.
AIP Conference Proceedings 1153, p.85 - 93, 2009/07
When the target consists of solid-density clusters embedded in the background gas, its irradiation by high intensity laser light renders ion acceleration a truly unique property. We present that the cluster-gas target, which consists of submicron-sized clusters and background gases, irradiated by a few TW laser pulse produces high energy ions upward of the order of 10-20 MeV/n in the forward direction.
Faenov, A. Ya.; Magunov, A. I.*; Pikuz, S. A.*; Gasilov, S. V.*; Skobelev, I. Yu.*; Palchan, T.*; Zigler, A.*; Henis, Z.*
Journal of Experimental and Theoretical Physics, 107(3), p.351 - 355, 2008/09
Faenov, A. Ya.; Gavrilenko, V. P.*; Magunov, A. I.*; Pikuz, T. A.*; Skobelev, I. Yu.*; Gasilov, S. V.*; Stagira, S.*; Calegari, F.*; Vozzi, C.*; Nisoli, M.*; et al.
AIP Conference Proceedings 1024, p.242 - 249, 2008/06
Gasilov, S. V.*; Faenov, A. Ya.
Instruments and Experimental Techniques, 51(2), p.205 - 212, 2008/03
Times Cited Count：1 Percentile：18.43(Engineering, Multidisciplinary)Gasilov, S. V.*; Faenov, A. Ya.; Pikuz, T. A.*; Skobelev, I. Yu.*; Calegari, F.*; Vozzi, C.*; Nisoli, M.*; Sansone, G.*; Valentini, G.*; De Silvestri, S.*; et al.
JETP Letters, 87(5), p.238 - 242, 2008/03
Times Cited Count：18 Percentile：66.98(Physics, Multidisciplinary)Palchan, T.*; Henis, Z.*; Faenov, A. Ya.; Magunov, A. I.*; Pikuz, S. A.*; Gasilov, S. V.*; Skobelev, I. Yu.*; Zigler, A.*
Applied Physics Letters, 91(25), p.251501_1 - 251501_3, 2007/12
Times Cited Count：14 Percentile：47.68(Physics, Applied)Faenov, A. Ya.; Magunov, A. I.*; Pikuz, T. A.*; Skobelev, I. Y.*; Giulietti, D.*; Betti, S.*; Galimberti, M.*; Gamucci, A.*; Giulietti, A.*; Gizzi, L. A.*; et al.
JETP Letters, 86(3), p.178 - 183, 2007/08
Times Cited Count：5 Percentile：36.25(Physics, Multidisciplinary)