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Optica Publishing Group
  • Chinese Optics Letters
  • Vol. 21,
  • Issue 4,
  • pp. 043802-
  • (2023)

Generation and application of high-contrast laser pulses using plasma mirror in the SULF-1PW beamline

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Abstract

The plasma mirror system was installed on the 1 PW laser beamline of Shanghai Superintense Ultrafast Laser Facility (SULF) for enhancing the temporal contrast of the laser pulse. About 2 orders of magnitude improvement on pulse contrast was measured on picosecond and nanosecond time scales. The experiments show that high-contrast laser pulses can significantly improve the cutoff energy and quantity of proton beams. Then different target distributions are assumed in particles in cell simulations, which can qualitatively assume the expansion of nanometer-scale foil. The high-contrast laser enables the SULF-1PW beamline to generally be of benefit for many potential applications.

© 2023 Chinese Laser Press

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