| Budget Amount *help |
¥167,960,000 (Direct Cost: ¥129,200,000、Indirect Cost: ¥38,760,000)
Fiscal Year 2015: ¥36,920,000 (Direct Cost: ¥28,400,000、Indirect Cost: ¥8,520,000)
Fiscal Year 2014: ¥35,230,000 (Direct Cost: ¥27,100,000、Indirect Cost: ¥8,130,000)
Fiscal Year 2013: ¥32,890,000 (Direct Cost: ¥25,300,000、Indirect Cost: ¥7,590,000)
Fiscal Year 2012: ¥35,100,000 (Direct Cost: ¥27,000,000、Indirect Cost: ¥8,100,000)
Fiscal Year 2011: ¥27,820,000 (Direct Cost: ¥21,400,000、Indirect Cost: ¥6,420,000)
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| Outline of Final Research Achievements |
With an pulse of electrons which are produced and accelerated by the interaction of an intense femtosecond laser pulse with a foil target, compression of the electron pulse with a compact phase rotator, and "ultrafast electron diffraction (UED)" with the compressed electron pulses have been demonstrated. To develop high intensity electron source for single pulse UED, a new method “sheath break by laser pre-irradiation”, which pull out electrons efficiently from laser plasma, has been proposed and experimentally demonstrated with high-contrast laser pulse shaped by a plasma mirror. Derivative fruits of research have been also obtained, such as guiding and collimation of laser accelerated electrons on a metal wire, ultrafast electron deflectometry, and generation of strong terahertz surface wave on a metal wire.
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