At the high-field laser facility of National Central University intense electromagnetic radiation of 1020 W/cm2 can be produced at the focus of a 100-TW laser pulse. Such an intense electromagnetic radiation is utilized for the development of tabletop particle accelerators and ultrafast plasma nonlinear optics in extreme-UV/soft x-ray and mid-infrared. Schemes of electron and proton acceleration are being explored by utilizing the tremendous longitudinal quasi-static electric field produced by engineered laser-plasma interaction. Interaction between accelerated electrons, transient plasma structures, high-Z ions, and intense laser pulses has opened new playgrounds for ultrafast extreme-UV and mid-IR plasma nonlinear optics and hard x-ray/gamma ray generation. Space-time structure and evolution of laser wakefield is resolved for the first time by probing it synchronously with 2-fs accelerated electron pulses. High resolution phase-contrast x-ray imaging is achieved by utilizing the high spatial coherence x-ray produced from betatron oscillation in the laser wavefield. Sub-terawatt tunable mid-infrared pulses is produced for the first time by photon deceleration in the laser wakefield.
Applications of high-field lasers in x-ray imaging and ultrafast plasma nonlinear optics
Events
Activities Information
Activities Information
Time
10:00 -16:00
Location
Humanities and Social Sciences Building (HSSB)
Venue
4F Recreation Hall
Organizer
Activities Classification
Subject
Division of Mathematics and Physical Sciences
Activities Category
Display of Research Achievements
Other Information
Target Audience
Age 15 and above
Note
12:00-13:00 午餐時間休息
Contact: Jyhpyng Wang, 02-23668263