partially supported by the Major State Basic Research Development Program of China(No.2011CB808300);the National Natural Science Foundation of China(Nos.11175240,11205234 and 11322550)
In this article, we present the promise of a new method generating double electron pulses in picosecondscale pulse length and tunable interpulse spacing at several picoseconds. This has witnessed an impressive potenti...
Supported by National Natural Science Foundation of China(11175240,11205234,11322550);Program for Changjiang Scholars and Innovative Research Team in University(IRT1280)
Due to high reflectivity and high resolution of X-ray pulses, diamond is one of the most popular Bragg crystals serving as the reflecting mirror and mono-chromator in the next generation of free electron lasers(FELs...
Supported by Major State Basic Research Development Program of China(2011CB808300);National Natural Science Foundation of China(11175240,11205234,11322550)
In this paper, a division-of-amplitude photopolarimeter (DOAP) for measuring the polarization state of a free-electron laser (FEL) pulse is described. The incident FEL beam is divided into four separate beams, and...
Supported by National Natural Science Foundation of China(21127902,11175240,11205234,11322550);Knowledge Innovation Program of Chinese Academy of Sciences
Dalian Coherent Light Source will use a 300 MeV LINAC to produce fully coherent photon pulses in the wavelength range between 150–50 nm by high gain harmonic generation free electron laser(FEL) scheme. To generate ...
Supported by the Major State Basic Research Development Program of China(2011CB808300);the National Natural Science Foundation of China(11175240,11205234 and 11322550)
Coherent light with orbital angular momentum(OAM)is of great interest.Recently,OAM light generation by coupling a relativistic electron beam with a Gaussian mode laser pulse at the high harmonics of a helical undulato...
Supported by Major State Basic Research Development Program of China(2011CB808300);Natural Science Foundation of China(11175240,11205234,11322550)
The polarization switch of a free-electron laser (FEL) is of great importance to the user scientific community. In this paper, we investigate the generation of controllable polarization FEL from two well-known appro...
Natural Science Foundation of China (11205234,11175240)
By utilizing higher harmonics of undulator radiation, harmonic lasing is helpful in the development of compact X-ray free electron lasers (FELs), i.e. reducing their cost and size. Harmonic lasing of FELs has been e...