Single-shot microscopic electron imaging of intense femtosecond laser-produced plasmas
- Department of Physics, Graduate School of Science, Kyoto University Kitashirakawa, Sakyo, Kyoto 606-8502 (Japan) and Advanced Research Center for Beam Science, Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611-0011 (Japan)
A simple technique for single-shot microscopic electron imaging was demonstrated for the study of intense femtosecond laser-produced plasmas. Passed through a permanent magnet lens designed for 110-keV electrons, hot electrons emitted from the plasma produced by a single laser pulse of 0.8 mJ with intensity of 3 x 10{sup 16} W/cm{sup 2} were successfully imaged. Analyzing this image, we found that electrons were emitted from an area of 3 {mu}m in diameter. At higher laser intensity of 10{sup 18} W/cm{sup 2}, distinct structures were observed in and near the focal spot of the laser; that is, the electrons were emitted from several separate spots. These results show that laser-plasma electron imaging is promising for studying the interactions of femtosecond lasers with high-density plasmas.
- OSTI ID:
- 22062212
- Journal Information:
- Review of Scientific Instruments, Vol. 81, Issue 12; Other Information: (c) 2010 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0034-6748
- Country of Publication:
- United States
- Language:
- English
Similar Records
Femtosecond Single-Shot Imaging of Nanoscale Ferromagnetic Order in Co/Pd Multilayers using Resonant X-ray Holography
Interferometric investigation of sharp directional jets in an expanding laser plasma