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Research Output 2002 2019

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2019

Collective Thomson scattering measurements of electron feature using stimulated Brillouin scattering in laser-produced plasmas

Bolouki, N., Sakai, K., Huang, T. Y., Isayama, S., Liu, Y. L., Peng, C. W., Chen, C. H., Khasanah, N., Chu, H. H., Moritaka, T., Tomita, K., Sato, Y., Uchino, K., Morita, T., Matsukiyo, S., Hara, Y., Shimogawara, H., Sakawa, Y., Sakata, S., Kojima, S. & 6 others, Fujioka, S., Shoji, Y., Tomiya, S., Yamazaki, R., Koenig, M. & Kuramitsu, Y., Jul 1 2019, In : High Energy Density Physics. 32, p. 82-88 7 p.

Research output: Contribution to journalArticle

Thomson scattering
laser plasmas
scattering
electrons
probes
1 Citation (Scopus)

Investigation on chemically non-equilibrium arc behaviors of different gas media during arc decay phase in a model circuit breaker

Sun, H., Wu, Y., Tanaka, Y., Tomita, K. & Rong, M., Feb 13 2019, In : Journal of Physics D: Applied Physics. 52, 7, 075202.

Research output: Contribution to journalArticle

circuit breakers
Electric circuit breakers
arcs
Gases
decay
2018

Determination of spatiotemporal structure of fluctuations by statistical averaging method

Kawachi, Y., Shigeru, I., Tomita, K., Yamasaki, K., Kin, F., Kosuga, Y., Sasaki, M., Nagashima, Y., Kasuya, N., Hasamada, K., Zhang, B. & fujisawa, A., Jan 1 2018, In : Plasma and Fusion Research. 13, 3401105.

Research output: Contribution to journalArticle

Open Access
Plasma turbulence
plasma turbulence
Wavefronts
Statistical methods
Plasmas

Magnetic reconnection driven by electron dynamics

Kuramitsu, Y., Moritaka, T., Sakawa, Y., Morita, T., Sano, T., Koenig, M., Gregory, C. D., Woolsey, N., Tomita, K., Takabe, H., Liu, Y. L., Chen, S. H., Matsukiyo, S. & Hoshino, M., Dec 1 2018, In : Nature communications. 9, 1, 5109.

Research output: Contribution to journalArticle

Electrons
Magnetic Fields
Plasmas
electrons
Magnetic fields

Thermal re-ignition processes of switching arcs with various gas-blast using voltage application highly controlled by powersemiconductors

Nakano, T., Tanaka, Y., Murai, K., Uesugi, Y., Ishijima, T., Tomita, K., Suzuki, K. & Shinkai, T., Apr 30 2018, In : Journal of Physics D: Applied Physics. 51, 21, 215202.

Research output: Contribution to journalArticle

blasts
ignition
Ignition
arcs
Gases
2017

Design of compact dispersion interferometer with a high efficiency nonlinear crystal and a low power CO 2 laser

Akiyama, T., Yoshimura, S., Tomita, K., Shirai, N., Murakami, T. & Urabe, K., Dec 13 2017, In : Journal of Instrumentation. 12, 12, C12028.

Research output: Contribution to journalArticle

Interferometer
Interferometers
High Efficiency
Crystal
interferometers
2 Citations (Scopus)

Evaluation of arc quenching characteristics of various gases using power semiconductors

Nakano, T., Tanaka, Y., Murai, K., Uesugi, Y., Ishijima, T., Tomita, K., Suzuki, K. & Shinkai, T., Nov 7 2017, In : Journal of Physics D: Applied Physics. 50, 48, 485602.

Research output: Contribution to journalArticle

Quenching
arcs
Gases
quenching
Semiconductor materials
2 Citations (Scopus)

Generation of counter-streaming plasmas for collisionless shock experiment

Sakawa, Y., Ide, T., Morita, T., Tomita, K., Uchino, K., Kuramitsu, Y., Ohnishi, N. & Takabe, H., Jun 1 2017, In : High Energy Density Physics. 23, p. 207-211 5 p.

Research output: Contribution to journalArticle

counters
shock
Thomson scattering
plasma generators
time measurement
3 Citations (Scopus)

Measurement of electron density and temperature using laser Thomson scattering in PANTA

Tomita, K., Sato, Y., Bolouki, N., Shiraishi, T., Uchino, K., Miwa, Y., Kobayashi, T. & Shigeru, I., Jan 1 2017, In : Plasma and Fusion Research. 12, 1401018.

Research output: Contribution to journalArticle

Thomson scattering
assembly
turbulence
electron energy
lasers
Hall thrusters
Rayleigh scattering
neutral atoms
xenon
scattering
2 Citations (Scopus)

Spatial and temporal plasma evolutions of magnetic reconnection in laser produced plasmas

Khasanah, N., Peng, C. W., Chen, C. H., Huang, T. Y., Bolouki, N., Moritaka, T., Hara, Y., Shimogawara, H., Sano, T., Sakawa, Y., Sato, Y., Tomita, K., Uchino, K., Matsukiyo, S., Shoji, Y., Tomita, S., Tomiya, S., Yamazaki, R., Koenig, M. & Kuramitsu, Y., Jun 1 2017, In : High Energy Density Physics. 23, p. 15-19 5 p.

Research output: Contribution to journalArticle

laser plasmas
plasma jets
bubbles
laser beams
framing cameras
3 Citations (Scopus)

Spatial profiles of electron density, electron temperature, average ionic charge, and EUV emission of laser-produced Sn plasmas for EUV lithography

Sato, Y., Tomita, K., Tsukiyama, S., Eguchi, T., Uchino, K., Kouge, K., Tomuro, H., Yanagida, T., Wada, Y., Kunishima, M., Kodama, T. & Mizoguchi, H., Mar 1 2017, In : Japanese Journal of Applied Physics. 56, 3, 036201.

Research output: Contribution to journalArticle

Laser produced plasmas
Extreme ultraviolet lithography
Electron temperature
Carrier concentration
lithography
4 Citations (Scopus)

Time-resolved two-dimensional profiles of electron density and temperature of laser-produced tin plasmas for extreme-ultraviolet lithography light sources

Tomita, K., Sato, Y., Tsukiyama, S., Eguchi, T., Uchino, K., Kouge, K., Tomuro, H., Yanagida, T., Wada, Y., Kunishima, M., Soumagne, G., Kodama, T., Mizoguchi, H., Sunahara, A. & Nishihara, K., Dec 1 2017, In : Scientific reports. 7, 1, 12328.

Research output: Contribution to journalArticle

Thomson scattering
tin
light sources
lithography
electron energy
2016
5 Citations (Scopus)

Diagnostics of atmospheric-pressure pulsed-dc discharge with metal and liquid anodes by multiple laser-aided methods

Urabe, K., Shirai, N., Tomita, K., Akiyama, T. & Murakami, T., May 26 2016, In : Plasma Sources Science and Technology. 25, 4, 045004.

Research output: Contribution to journalArticle

atmospheric pressure
anodes
liquids
metals
lasers
4 Citations (Scopus)

Electron density change of atmospheric-pressure plasmas in helium flow depending on the oxygen/nitrogen ratio of the surrounding atmosphere

Tomita, K., Urabe, K., Shirai, N., Sato, Y., Hassaballa, S., Bolouki, N., Yoneda, M., Shimizu, T. & Uchino, K., Jun 1 2016, In : Japanese Journal of Applied Physics. 55, 6

Research output: Contribution to journalArticle

Shielding
Atmospheric pressure
Carrier concentration
Helium
shielding
3 Citations (Scopus)

Influence of the gas flow rate on the nonchemical equilibrium N 2 arc behavior in a model nozzle circuit breaker

Wu, Y., Sun, H., Tanaka, Y., Tomita, K., Rong, M., Yang, F., Uesugi, Y., Ishijima, T., Wang, X. & Feng, Y., Sep 22 2016, In : Journal of Physics D: Applied Physics. 49, 42, 425202.

Research output: Contribution to journalArticle

circuit breakers
Electric circuit breakers
nozzles
gas flow
Flow of gases
4 Citations (Scopus)

Synthesis of photochromic nanoparticles and determination of the mechanism of photochromism

Inoue, S., Kawamoto, T., Matsumura, Y., Tomita, K., Uchino, K., Takata, K. & Kajiyama, H., May 1 2016, In : AIP Advances. 6, 5, 055214.

Research output: Contribution to journalArticle

photochromism
nanoparticles
defects
synthesis
silicon oxides
6 Citations (Scopus)

The LTE thermofluid simulation of AR/SF6 gas-blast arcs in a nozzle space in an arc device

Murai, K., Nakano, T., Tanaka, Y., Uesugi, Y., Ishijima, T., Tomita, K., Suzuki, K., Iijima, T. & Shinkai, T., Jan 1 2016, In : IEEJ Transactions on Power and Energy. 136, 9, p. 741-748 8 p.

Research output: Contribution to journalArticle

Carrier concentration
Nozzles
Thermodynamics
Recovery
Flow velocity
1 Citation (Scopus)

Toward the generation of magnetized collisionless shocks with high-power lasers

Shoji, Y., Yamazaki, R., Tomita, S., Kawamura, Y., Ohira, Y., Tomiya, S., Sakawa, Y., Sano, T., Hara, Y., Kondo, S., Shimogawara, H., Matsukiyo, S., Morita, T., Tomita, K., Yoneda, H., Nagamine, K., Kuramitsu, Y., Moritaka, T., Ohnishi, N., Umeda, T. & 1 others, Takabe, H., Jan 1 2016, In : Plasma and Fusion Research. 11, 2, 3401031-1.

Research output: Contribution to journalArticle

high power lasers
shock
aluminum
Mach number
lasers
2015
12 Citations (Scopus)

Computational non-chemically equilibrium model on the current zero simulation in a model N2 circuit breaker under the free recovery condition

Sun, H., Tanaka, Y., Tomita, K., Wu, Y., Rong, M., Uesugi, Y. & Ishijima, T., Dec 23 2015, In : Journal of Physics D: Applied Physics. 49, 5, 055204.

Research output: Contribution to journalArticle

circuit breakers
Electric circuit breakers
arcs
recovery
Recovery
5 Citations (Scopus)

Density and x-ray emission profile relationships in highly ionized high- Z laser-produced plasmas

Yoshida, K., Fujioka, S., Higashiguchi, T., Ugomori, T., Tanaka, N., Kawasaki, M., Suzuki, Y., Suzuki, C., Tomita, K., Hirose, R., Ejima, T., Ohashi, H., Nishikino, M., Sunahara, A., Li, B., Dunne, P., O'Sullivan, G., Yanagida, T., Azechi, H. & Nishimura, H., Mar 23 2015, In : Applied Physics Letters. 106, 12, 121109.

Research output: Contribution to journalArticle

ultraviolet emission
laser plasmas
ion charge
electron density profiles
gadolinium
5 Citations (Scopus)

Development of a collective Thomson scattering system for laser-produced tin plasmas for extreme-ultraviolet light sources

Tomita, K., Sato, Y., Nishikawa, K., Uchino, K., Yanagida, T., Tomuro, H., Wada, Y., Kunishima, M., Kodama, T., Mizoguchi, H. & Sunahara, A., Dec 1 2015, In : Applied Physics Express. 8, 12, 126101.

Research output: Contribution to journalArticle

Laser produced plasmas
Thomson scattering
ultraviolet radiation
Tin
Light sources
6 Citations (Scopus)

Fundamental investigation technique on gas-blast arc behaviors in decaying and re-ignition processes using power semiconductors

Tanaka, Y., Shimizu, T., Fujino, T., Nakano, T., Tomita, K. & Suzuki, K., Nov 1 2015, In : IEEJ Transactions on Power and Energy. 135, 11, p. 661-668 8 p.

Research output: Contribution to journalArticle

Ignition
Semiconductor materials
Recovery
Flow of gases
Gases
4 Citations (Scopus)
Thomson scattering
Electron temperature
temperature profiles
Atmospheric pressure
Carrier concentration
16 Citations (Scopus)

Thomson scattering diagnostics of SF6 gas-blasted arcs confined by a nozzle under free-recovery conditions

Tomita, K., Gojima, D., Shimizu, T., Uchino, K., Nakano, T., Tanaka, Y., Suzuki, K., Iijima, T. & Shinkai, T., Jul 8 2015, In : Journal of Physics D: Applied Physics. 48, 26, 265201.

Research output: Contribution to journalArticle

Thomson scattering
nozzles
Nozzles
arcs
Gases
2014
21 Citations (Scopus)

Efficient extreme ultraviolet emission from one-dimensional spherical plasmas produced by multiple lasers

Yoshida, K., Fujioka, S., Higashiguchi, T., Ugomori, T., Tanaka, N., Ohashi, H., Kawasaki, M., Suzuki, Y., Suzuki, C., Tomita, K., Hirose, R., Ejima, T., Nishikino, M., Sunahara, A., Scally, E., Li, B., Yanagida, T., Nishimura, H., Azechi, H. & O'Sullivan, G., Jan 1 2014, In : Applied Physics Express. 7, 8, 086202.

Research output: Contribution to journalArticle

spherical plasmas
ultraviolet emission
Conversion efficiency
Plasmas
Lasers
Thiourea
Organic polymers
Disulfides
Anions
Catalysts
Electron temperature
Discharge (fluid mechanics)
Carrier concentration
Vapors
Scattering
5 Citations (Scopus)

Thomson scattering diagnostics of atmospheric plasmas in contact with ionic liquids

Tomita, K., Nagai, K., Shimizu, T., Bolouki, N., Yamagata, Y., Uchino, K. & Kaneko, T., Jan 1 2014, In : Applied Physics Express. 7, 6, 066101.

Research output: Contribution to journalArticle

Thomson scattering
Ionic liquids
Contacts (fluid mechanics)
Scattering
Plasmas
2013
7 Citations (Scopus)

A collective laser thomson scattering system for diagnostics of laser-produced plasmas for extreme ultraviolet light sources

Tomita, K., Nakayama, K., Inoue, K., Sunahara, A. & Uchino, K., Jul 1 2013, In : Applied Physics Express. 6, 7, 076101.

Research output: Contribution to journalArticle

Laser produced plasmas
Thomson scattering
laser plasmas
ultraviolet radiation
Light sources
3 Citations (Scopus)

Measurements of electron density and electron temperature of arc discharge plasmas containing metallic vapors using laser thomson scattering

Tomita, K., Yoshitake, S., Uchino, K., Takenaka, D., Toda, H., Hikita, M. & Suzuki, K., Oct 7 2013, In : IEEJ Transactions on Fundamentals and Materials. 133, 9, p. 458-464 7 p.

Research output: Contribution to journalArticle

Electron temperature
Discharge (fluid mechanics)
Carrier concentration
Tungsten
Vapors
26 Citations (Scopus)

Thomson scattering diagnostics of decay processes of Ar/SF6 gas-blast arcs confined by a nozzle

Tomita, K., Gojima, D., Nagai, K., Uchino, K., Kamimae, R., Tanaka, Y., Suzuki, K., Iijima, T., Uchii, T. & Shinkai, T., Sep 25 2013, In : Journal of Physics D: Applied Physics. 46, 38, 382001.

Research output: Contribution to journalArticle

Thomson scattering
blasts
nozzles
Nozzles
arcs
16 Citations (Scopus)

Thomson scattering measurement of a shock in laser-produced counter-streaming plasmas

Morita, T., Sakawa, Y., Tomita, K., Ide, T., Kuramitsu, Y., Nishio, K., Nakayama, K., Inoue, K., Moritaka, T., Ide, H., Kuwada, M., Tsubouchi, K., Uchino, K. & Takabe, H., Sep 1 2013, In : Physics of Plasmas. 20, 9, 092115.

Research output: Contribution to journalArticle

Thomson scattering
counters
shock
lasers
collisionless plasmas
2012
5 Citations (Scopus)
Gold
Sulfates
Anions
Photons
Fluorescence
10 Citations (Scopus)
Thomson scattering
Xenon
xenon
Scattering
mass flow rate
15 Citations (Scopus)

Two-dimensional Thomson scattering diagnostics of pulsed discharges produced at atmospheric pressure

Tomita, K., Bolouki, N., Shirozono, H., Yamagata, Y., Uchino, K. & Takaki, K., Feb 1 2012, In : Journal of Instrumentation. 7, 2, C02057.

Research output: Contribution to journalArticle

Thomson scattering
Atmospheric pressure
Carrier concentration
Diagnostics
atmospheric pressure
2010
18 Citations (Scopus)

Measurements of electron density and temperature in a miniature microwave discharge ion thruster using laser Thomson scattering technique

Yamamoto, N., Tomita, K., Yamasaki, N., Tsuru, T., Ezaki, T., Kotani, Y., Uchino, K. & Nakashima, H., Jun 25 2010, In : Plasma Sources Science and Technology. 19, 4, 045009.

Research output: Contribution to journalArticle

Thomson scattering
electron energy
microwaves
mass flow rate
lasers

Plasma Properties in a Miniature Microwave Discharge Ion Thruster

Ezaki, T., Yamamoto, N., Tsuru, T., Kotani, Y., Nakashima, H., Yamasaki, N., Tomita, K. & Uchino, K., 2010, In : TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, SPACE TECHNOLOGY JAPAN. 8, 27, p. Pb_55-Pb_59

Research output: Contribution to journalArticle

mass flow rate
microwaves
magnets
ions
field strength
3 Citations (Scopus)

Relationship between Ba atom emission and electrode temperature in a low-pressure fluorescent lamp

Yamagata, Y., Kai, M., Naito, S., Tomita, K., Uchino, K. & Manabe, Y., Apr 30 2010, In : Thin Solid Films. 518, 13, p. 3449-3452 4 p.

Research output: Contribution to journalArticle

Fluorescent lamps
luminaires
low pressure
Electric lamps
Atoms
10 Citations (Scopus)
Plasma diagnostics
Scattering
Plasmas
Lasers
Laser produced plasmas
4 Citations (Scopus)

Thomson-scattering diagnostics of plasmas produced in a miniature microwave discharge ion engine

Tomita, K., Yamamoto, N., Naoto, Y., Teppei, T., Uchino, K. & Hideki, N., Mar 1 2010, In : Journal of Propulsion and Power. 26, 2, p. 381-383 3 p.

Research output: Contribution to journalArticle

Ion engines
ion engines
Thomson scattering
engine
Microwaves
2005
7 Citations (Scopus)

Laser Thomson scattering and optical emission studies of striated PDP micro-discharge plasmas

Hassaballa, S., Sonoda, Y., Tomita, K., Kim, Y. K. & Uchino, K., Aug 1 2005, In : Journal of the Society for Information Display. 13, 8, p. 639-645 7 p.

Research output: Contribution to journalArticle

Thomson scattering
plasma jets
light emission
Display devices
Scattering
21 Citations (Scopus)

Laser thomson scattering measurements of electron density and temperature profiles of a striated plasma in a Plasma Display Panel (PDP)-like discharge

Hassaballa, S., Tomita, K., Kim, Y. K., Uchino, K., Hatanaka, H., Kim, Y. M., Park, C. H. & Muraoka, K., Jun 24 2005, In : Japanese Journal of Applied Physics, Part 2: Letters. 44, 12-15

Research output: Contribution to journalArticle

electron density profiles
Thomson scattering
Electron temperature
temperature profiles
Carrier concentration

Laser Thomson Scattering Measurements of Electron Density and Temperature Profiles of a Striated Plasma in a Plasma Display Panel (PDP)-Like Discharge

Hassaballa, S., Tomita, K., Kim, Y. K., Uchino, K., Hatanaka, H., Kim, Y. M., Park, C. H. & Muraoka, K., Mar 10 2005, In : Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes. 44, 14, p. L442-L444

Research output: Contribution to journalArticle

electron density profiles
Thomson scattering
Electron temperature
temperature profiles
Carrier concentration
2004
44 Citations (Scopus)

Two-dimensional structure of PDP micro-discharge plasmas obtained using laser Thomson scattering

Hassaballa, S., Yakushiji, M., Kim, Y. K., Tomita, K., Uchino, K. & Muraoka, K., Feb 1 2004, In : IEEE Transactions on Plasma Science. 32, 1 I, p. 127-134 8 p.

Research output: Contribution to journalArticle

Thomson scattering
plasma jets
electrodes
lasers
electron energy