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Journal Articles

3D visualization of XFEL beam focusing properties using LiF crystal X-ray detector

Pikuz, T.*; Faenov, A.*; Matsuoka, Takeshi*; Matsuyama, Satoshi*; Yamauchi, Kazuto*; Ozaki, Narimasa*; Albertazzi, B.*; Inubushi, Yuichi*; Yabashi, Makina*; Tono, Kensuke*; et al.

Scientific Reports (Internet), 5, p.17713_1 - 17713_10, 2015/12

 Times Cited Count:36 Percentile:88.1(Multidisciplinary Sciences)

Journal Articles

Photoelectron diffraction from laser-aligned molecules with X-ray free-electron laser pulses

Nakajima, Kyo*; Teramoto, Takahiro*; Akagi, Hiroshi; Fujikawa, Takashi*; Majima, Takuya*; Minemoto, Shinichiro*; Ogawa, Kanade*; Sakai, Hirofumi*; Togashi, Tadashi*; Tono, Kensuke*; et al.

Scientific Reports (Internet), 5, p.14065_1 - 14065_11, 2015/09

 Times Cited Count:37 Percentile:83.67(Multidisciplinary Sciences)

We report on the measurement of deep inner-shell 2p X-ray photoelectron diffraction (XPD) patterns from laser-aligned I$$_{2}$$ molecules using X-ray free-electron laser (XFEL) pulses. The XPD patterns of the I$$_{2}$$ molecules, aligned parallel to the polarization vector of the XFEL, were well matched with our theoretical calculations. Further, we propose a criterion for applying our molecular-structure-determination methodology to the experimental XPD data. In turn, we have demonstrated that this approach is a significant step toward the time-resolved imaging of molecular structures.

Journal Articles

Optical features of a LiF crystal soft X-ray imaging detector irradiated by free electron laser pulses

Pikuz, T.; Faenov, A.*; Fukuda, Yuji; Kando, Masaki; Bolton, P.; Mitorfanov, A.*; Vinogradov, A.*; Nagasono, Mitsuru*; Ohashi, Haruhiko*; Yabashi, Makina*; et al.

Optics Express (Internet), 20(4), p.3424 - 3433, 2012/02

 Times Cited Count:26 Percentile:76.97(Optics)

Journal Articles

Observation of free-electron-laser-induced collective spontaneous emission (superfluorescence)

Nagasono, Mitsuru*; Harries, J.; Iwayama, Hiroshi*; Togashi, Tadashi*; Tono, Kensuke*; Yabashi, Makina*; Semba, Yasunori*; Ohashi, Haruhiko*; Ishikawa, Tetsuya*; Shigemasa, Eiji*

Physical Review Letters, 107(19), p.193603_1 - 193603_5, 2011/11

 Times Cited Count:36 Percentile:82.89(Physics, Multidisciplinary)

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:6 Percentile:33.02(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:20 Percentile:64.42(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.

Oral presentation

Focal spot characterization of EUVFEL using a LiF crystal detector

Fukuda, Yuji; Faenov, A. Y.; Pikuz, T. A.*; Ohashi, Haruhiko*; Semba, Yasunori*; Nagasono, Mitsuru*; Tono, Kensuke*; Togashi, Tadashi*; Yabashi, Makina*; Ishikawa, Tetsuya*

no journal, , 

We have conducted detailed focused spot shape measurements for EUVFEL using a LiF crystal radiation detector. The single shot focused spot images were recorded on the LiF detector surface as a function of detector position. As a result, we found that the spot images were distorted due to aberrations, and that laser beam was focused about 1-mm up to the laser beam axis. Moreover, we found that the LiF crystal was ablated due to high intensity of the focused beam.

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

Multi-atom, multi-photon collective decay (superfluorescence) following EUV-FEL pumping of He

Nagasono, Mitsuru*; Harries, J.; Iwayama, Hiroshi*; Togashi, Tadashi*; Tono, Kensuke*; Yabashi, Makina*; Semba, Yasunori*; Ohashi, Haruhiko*; Ishikawa, Tetsuya*; Shigemasa, Eiji*

no journal, , 

Oral presentation

Coherent spontaneous decay following multi-atom excitationwith FEL pulses; Prospects for X-ray superradiance from clusters

Harries, J.; Nagasono, Mitsuru*; Iwayama, Hiroshi*; Togashi, Tadashi*; Tono, Kensuke*; Yabashi, Makina*; Semba, Yasunori*; Ohashi, Haruhiko*; Ishikawa, Tetsuya*; Shigemasa, Eiji*

no journal, , 

Oral presentation

Observation of superfluorescence following extreme ultraviolet free-electron laser excitation

Nagasono, Mitsuru*; Harries, J.; Iwayama, Hiroshi*; Tono, Kensuke*; Togashi, Tadashi*; Semba, Yasunori*; Ohashi, Haruhiko*; Yabashi, Makina*; Ishikawa, Tetsuya*; Shigemasa, Eiji*

no journal, , 

no abstracts in English

Oral presentation

The Near field and far field in situ characterization of soft X-ray laser beam by submicron-resolution LiF crystal X-ray detector

Faenov, A.*; Pikuz, T.; Fukuda, Yuji; Tanaka, Momoko; Kishimoto, Maki; Ishino, Masahiko; Nishikino, Masaharu; Kando, Masaki; Kawachi, Tetsuya; Nagasono, Mitsuru*; et al.

no journal, , 

Oral presentation

Superfluorescence observed following EUV-FEL excitation of helium gas

Harries, J.; Nagasono, Mitsuru*; Iwayama, Hiroshi*; Togashi, Tadashi*; Tono, Kensuke*; Yabashi, Makina*; Semba, Yasunori*; Ohashi, Haruhiko*; Ishikawa, Tetsuya*; Shigemasa, Eiji*

no journal, , 

Oral presentation

The Interaction of SASE EUV-FEL pulses with high density atomic gas

Nagasono, Mitsuru*; Harries, J.; Iwayama, Hiroshi*; Togashi, Tadashi*; Tono, Kensuke*; Yabashi, Makina*; Semba, Yasunori*; Ohashi, Haruhiko*; Tanaka, Hitoshi*; Ishikawa, Tetsuya*; et al.

no journal, , 

Oral presentation

Characterizing the soft X-ray laser beams by submicron-resolution LiF detector

Pikuz, T.; Faenov, A.*; Fukuda, Yuji; Tanaka, Momoko; Ishino, Masahiko; Hasegawa, Noboru; Nishikino, Masaharu; Ohashi, Haruhiko*; Yabashi, Makina*; Tono, Kensuke*; et al.

no journal, , 

16 (Records 1-16 displayed on this page)
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