Generation of plasma channels by gated experimentally in details. A time-resolved low jitter ablative capillary discharges is investi- evolution and radial distributions of the electron density are measured, and proof...Generation of plasma channels by gated experimentally in details. A time-resolved low jitter ablative capillary discharges is investi- evolution and radial distributions of the electron density are measured, and proof-of-principle optical guiding experiment is conducted. A proper time window for optical guiding of a femtoseeond laser pulse is found. The generated low density, long plasma channel is believed to be useful in the applications as GeV-class channel-guided laser wakefield accelerators and compact X-ray femetoseeond coherent radiation sources.展开更多
基金supported by National Natural Science Foundation of China (Nos. 10974214, 60921004), the National Basic Research Program of China (No. 2006CB806000), the Chinese Academy of Sciences, and the Shanghai Commission of Science and Technology of China (Nos. 06DZ22015, 0652nm005)
文摘Generation of plasma channels by gated experimentally in details. A time-resolved low jitter ablative capillary discharges is investi- evolution and radial distributions of the electron density are measured, and proof-of-principle optical guiding experiment is conducted. A proper time window for optical guiding of a femtoseeond laser pulse is found. The generated low density, long plasma channel is believed to be useful in the applications as GeV-class channel-guided laser wakefield accelerators and compact X-ray femetoseeond coherent radiation sources.