Method of an enhanced self-amplified spontaneous emission for x-ray free electron lasers
被引:138
作者:
Zholents, AA
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USAUniv Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
Zholents, AA
[1
]
机构:
[1] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
来源:
PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS
|
2005年
/
8卷
/
04期
关键词:
D O I:
10.1103/PhysRevSTAB.8.040701
中图分类号:
O57 [原子核物理学、高能物理学];
学科分类号:
070202 ;
摘要:
We describe a technique by which an energy modulation of electrons via interaction with a laser pulse in a wiggler magnet is used for a significant increase of the electron peak current prior to entering a long self-amplified spontaneous emission (SASE) free electron laser undulator. This results in a reduction of the gain length for the SASE process and a modification of the structure of the output x-ray radiation. It also temporally links the output x-ray pulse to the initial laser pulse, thus providing an opportunity for accurate synchronization between the laser pump pulse and x-ray probe pulse for pump-probe experiments.