Generating 10–40 MeV high quality monoenergetic electron beams using a 5 TW 60 fs laser at Tsinghua University

Abstract

A unique facility for laser plasma physics and advanced accelerator research has been built recently at Tsinghua Universtiy. This system is based on Tsinghua Thomson scattering X-ray source (TTX) [1,2], which combining an ultrafast TW laser with a synchronized 45MeV high brightness linac. In our recent laser wakefield acceleration experiments, we have obtained 10∼40MeV high quality monoenergetic electron beams by running the laser at 5TW peak power. Under certain conditions, very low relative energy spread of a few percent can be achieved. Absolute charge calibration for three different scintillating screens has also been performed using the linac system.An article usually includes an abstract, a concise summary of the work covered at length in the main body of the article.keyword: laser-plasma accelerator, monoenergetic, electron charge PACS numbers: 52.38. Kd, 52.59.Bi, 41.75.Jv

Phase Space Dynamics of a Plasma Wakefield Dechirper for Energy Spread Reduction

“…To confirm the above predictions, we have performed a plasma dechirping experiment on the TTX platform at Tsinghua University [21,22]. The schematic layout is shown in Fig.…”