Study of laser produced plasma in a longitudinal magnetic field
Laser produced plasma embedded in a longitudinal magnetic field was studied using a 1 MA pulsed power generator coupled with a 50 TW laser. Half turn coil loads with an internal diameter of 2.5–3.5 mm generate a 50–70 T axial magnetic field near the load. A subpicosecond laser pulse with an intensit...
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| Veröffentlicht in: | Physics of plasmas 2019-06, Vol.26 (6) |
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| container_title | Physics of plasmas |
| container_volume | 26 |
| creator | Ivanov, V. V. Maximov, A. V. Betti, R. Leal, L. S. Mancini, R. C. Swanson, K. J. Golovkin, I. E. Fontes, C. J. Sawada, H. Sefkow, A. B. Wong, N. L. |
| description | Laser produced plasma embedded in a longitudinal magnetic field was studied using a 1 MA pulsed power generator coupled with a 50 TW laser. Half turn coil loads with an internal diameter of 2.5–3.5 mm generate a 50–70 T axial magnetic field near the load. A subpicosecond laser pulse with an intensity of 1018–1019 W/cm2 irradiates a thin Si foil target in the magnetic field of the coil load. A laser produced plasma plume collimates within the longitudinal field to a narrow jet 0.2–0.3 mm in diameter with a length of 3–4 mm and an electron plasma density of (0.2–1) × 1020 cm−3 on the jet axis. The jet propagates with a velocity of 160–200 km/s in general agreement with magnetohydrodynamic simulations. X-ray spectral measurements show an increase in the plasma electron density resulting from the magnetic confinement of the jet. |
| doi_str_mv | 10.1063/1.5091702 |
| format | Article |
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V. ; Maximov, A. V. ; Betti, R. ; Leal, L. S. ; Mancini, R. C. ; Swanson, K. J. ; Golovkin, I. E. ; Fontes, C. J. ; Sawada, H. ; Sefkow, A. B. ; Wong, N. L.</creator><creatorcontrib>Ivanov, V. V. ; Maximov, A. V. ; Betti, R. ; Leal, L. S. ; Mancini, R. C. ; Swanson, K. J. ; Golovkin, I. E. ; Fontes, C. J. ; Sawada, H. ; Sefkow, A. B. ; Wong, N. L.</creatorcontrib><description>Laser produced plasma embedded in a longitudinal magnetic field was studied using a 1 MA pulsed power generator coupled with a 50 TW laser. Half turn coil loads with an internal diameter of 2.5–3.5 mm generate a 50–70 T axial magnetic field near the load. A subpicosecond laser pulse with an intensity of 1018–1019 W/cm2 irradiates a thin Si foil target in the magnetic field of the coil load. A laser produced plasma plume collimates within the longitudinal field to a narrow jet 0.2–0.3 mm in diameter with a length of 3–4 mm and an electron plasma density of (0.2–1) × 1020 cm−3 on the jet axis. 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V.</creatorcontrib><creatorcontrib>Maximov, A. V.</creatorcontrib><creatorcontrib>Betti, R.</creatorcontrib><creatorcontrib>Leal, L. S.</creatorcontrib><creatorcontrib>Mancini, R. C.</creatorcontrib><creatorcontrib>Swanson, K. J.</creatorcontrib><creatorcontrib>Golovkin, I. E.</creatorcontrib><creatorcontrib>Fontes, C. J.</creatorcontrib><creatorcontrib>Sawada, H.</creatorcontrib><creatorcontrib>Sefkow, A. B.</creatorcontrib><creatorcontrib>Wong, N. L.</creatorcontrib><title>Study of laser produced plasma in a longitudinal magnetic field</title><title>Physics of plasmas</title><description>Laser produced plasma embedded in a longitudinal magnetic field was studied using a 1 MA pulsed power generator coupled with a 50 TW laser. Half turn coil loads with an internal diameter of 2.5–3.5 mm generate a 50–70 T axial magnetic field near the load. A subpicosecond laser pulse with an intensity of 1018–1019 W/cm2 irradiates a thin Si foil target in the magnetic field of the coil load. A laser produced plasma plume collimates within the longitudinal field to a narrow jet 0.2–0.3 mm in diameter with a length of 3–4 mm and an electron plasma density of (0.2–1) × 1020 cm−3 on the jet axis. The jet propagates with a velocity of 160–200 km/s in general agreement with magnetohydrodynamic simulations. X-ray spectral measurements show an increase in the plasma electron density resulting from the magnetic confinement of the jet.</description><subject>Coils</subject><subject>Collimation</subject><subject>Electron density</subject><subject>Electron plasma</subject><subject>Fluid dynamics</subject><subject>Fluid flow</subject><subject>Foils</subject><subject>Lasers</subject><subject>Magnetic fields</subject><subject>Magnetism</subject><subject>Magnetohydrodynamic simulation</subject><subject>Plasma</subject><subject>Plasma density</subject><subject>Plasma physics</subject><subject>X ray spectra</subject><issn>1070-664X</issn><issn>1089-7674</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNqd0ElLxDAUAOAgCo6jB_9B0JNCxyTN0p5EBjcY8KCCt5BmGSOdpiatMP_eDB3w7iUvDz7eBsA5RguMeHmDFwzVWCByAGYYVXUhuKCHu79ABef04xicpPSFEKKcVTNw-zqMZguDg61KNsI-BjNqa2Cf842CvoMKtqFb--x8p1q4UevODl5D521rTsGRU22yZ_s4B-8P92_Lp2L18vi8vFsVmjI2FBpT7mjZGEYNwTXTmFWKVfltcF0JQavakKZhClvKaq0b3ghRl8I2htDKuXIOLqa6IQ1eJu0Hqz916DqrB4kZYYyTjC4nlLf4Hm0a5FcYYx46SULKCou8Ms3qalI6hpSidbKPfqPiVmIkd0eUWO6PmO31ZHcd1eBD9z_8E-IflL1x5S9IbX3x</recordid><startdate>201906</startdate><enddate>201906</enddate><creator>Ivanov, V. 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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Coils Collimation Electron density Electron plasma Fluid dynamics Fluid flow Foils Lasers Magnetic fields Magnetism Magnetohydrodynamic simulation Plasma Plasma density Plasma physics X ray spectra |
| title | Study of laser produced plasma in a longitudinal magnetic field |
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