Electron imaging of charge-separated field on a copper film induced by femtosecond laser irradiation
- Materials and Structures Laboratory, Tokyo Institute of Technology, R3-10, 4259 Nagatsuta, Midori, Yokohama 226-8503 (Japan)
An instantaneous charge-separated field, built up at the femtosecond-laser-irradiated surface of a copper film, was observed by time-resolved electron imaging using an energy-chirped electron probe-beam. The probe beams with effective energies of 170 keV were generated by intense femtosecond laser irradiation onto a molybdenum target at an intensity of 10{sup 17} W/cm{sup 2}. From the deflection of the probe electrons, the electric field was estimated to be 1.5 MV/m at a pump-laser intensity of 10{sup 15} W/cm{sup 2}.
- OSTI ID:
- 20637065
- Journal Information:
- Applied Physics Letters, Vol. 86, Issue 14; Other Information: DOI: 10.1063/1.1897058; (c) 2005 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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