Particle Acceleration 3

[HEDS10-03] Study on picosecond measurement of
relativistic electron impact ionization inside solids

*Masato Ota^1,2,3, Koichi Kan^4,5, Yasunobu Arikawa³, Makoto Nakajima³ (1. National Institute for Fusion Science, 2. The Graduate University for Advanced Studies, 3. Institute of Laser Engineering, Osaka University, 4. National Institutes for Quantum Science and Technology , 5. Institute of Scientific and Industrial Research )

Relativistic beam-solid interaction is investigated by electro-optic (EO) sampling. We inject a high-energy electron beam into an EO crystal and measure picosecond spatiotemporal evolution of electron impact ionization and subsequent avalanche effect inside the crystal.