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Title: Ultrafast proton radiography of the magnetic fields generated by a laser-driven coil current

Journal Article · · Physics of Plasmas
DOI:https://doi.org/10.1063/1.4945643· OSTI ID:1259385
 [1];  [2];  [3]; ORCiD logo [4];  [5];  [6]
  1. Princeton Univ., NJ (United States). Dept. of Astrophysical Sciences
  2. Princeton Univ., NJ (United States). Dept. of Astrophysical Sciences; Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
  3. Univ. of Rochester, NY (United States). Lab. for Laser Energetics
  4. Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
  5. Univ. of Rochester, NY (United States). Lab. for Laser Energetics; General Atomics, San Diego, CA (United States)
  6. General Atomics, San Diego, CA (United States)

Magnetic fields generated by a current flowing through a U-shaped coil connecting two copper foils were measured using ultrafast proton radiography. Two ∼1.25 kJ, 1-ns laser pulses propagated through laser entrance holes in the front foil, and were focused to the back foil with an intensity of ∼3 × 1016W/cm2. The intense laser-solid interaction induced a high voltage between the copper foils and generated a large current in the connecting coil. The proton data show ∼40-50 Tesla magnetic fields at the center of the coil ∼3-4 ns after laser irradiation. The experiments provide significant insight for future target designs that aim to develop a powerful source of external magnetic fields for various applications in high-energy-density science.

Research Organization:
Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ (United States); Princeton Univ., NJ (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
NA0002205
OSTI ID:
1259385
Alternate ID(s):
OSTI ID: 1247894; OSTI ID: 1512468
Journal Information:
Physics of Plasmas, Vol. 23, Issue 4; ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 55 works
Citation information provided by
Web of Science

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Cited By (18)

Guiding of relativistic electron beams in dense matter by laser-driven magnetostatic fields journal January 2018
Magnetized fast isochoric laser heating for efficient creation of ultra-high-energy-density states journal September 2018
A simple model for estimating a magnetic field in laser-driven coils journal September 2016
Efficient production of strong magnetic fields from ultraintense ultrashort laser pulse with capacitor-coil target journal August 2018
Experimental platform for investigations of high-intensity laser plasma interactions in the magnetic field of a pulsed power generator journal March 2018
Numerical simulations to model laser-driven coil-capacitor targets for generation of kilo-Tesla magnetic fields journal February 2018
Particle-in-cell simulations of magnetically driven reconnection using laser-powered capacitor coils journal May 2018
Ultrafast pulsed magnetic fields generated by a femtosecond laser journal August 2018
Numerical analysis of pulsed magnetic field diffusion dynamics in gold cone target journal September 2018
Study of a magnetically driven reconnection platform using ultrafast proton radiography journal June 2019
Low- β magnetic reconnection driven by the intense lasers with a double-turn capacitor-coil journal April 2018
Enhanced proton acceleration in an applied longitudinal magnetic field journal October 2016
Ultrafast probing of magnetic field growth inside a laser-driven solenoid journal March 2017
Quasistationary magnetic field generation with a laser-driven capacitor-coil assembly journal August 2017
Petapascal Pressure Driven by Fast Isochoric Heating with a Multipicosecond Intense Laser Pulse journal January 2020
Short-period high-strength helical undulator by laser-driven bifilar capacitor coil journal January 2019
Enhanced proton acceleration in an applied longitudinal magnetic field text January 2016
Peta-Pascal Pressure Driven by Fast Isochoric Heating with Multi-Picosecond Intense Laser Pulse text January 2019

Figures / Tables (7)


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