The free-electron laser FLASH

被引：38

作者：

Schreiber, Siegfried ^{[1
]}

Faatz, Bart ^{[1
]}

机构：

[1] DESY, D-22603 Hamburg, Germany

来源：

HIGH POWER LASER SCIENCE AND ENGINEERING | 2015年 / 3卷

关键词：

bunch compression; free-electron laser; high-gain FEL process; photo injector; SASE; superconducting accelerator; undulator; SOFT-X-RAY; EXTREME-ULTRAVIOLET; RADIATION; OPERATION; INJECTOR; VACUUM;

D O I：

10.1017/hpl.2015.16

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

FLASH at DESY, Hamburg, Germany is the first free-electron laser (FEL) operating in the extreme ultraviolet (EUV) and soft x-ray wavelength range. FLASH is a user facility providing femtosecond short pulses with an unprecedented peak and average brilliance, opening new scientific opportunities in many disciplines. The first call for user experiments has been launched in 2005. The FLASH linear accelerator is based on TESLA superconducting technology, providing several thousands of photon pulses per second to user experiments. Probing femtosecond-scale dynamics in atomic and molecular reactions using, for instance, a combination of x-ray and optical pulses in a pump and probe arrangement, as well as single-shot diffraction imaging of biological objects and molecules, are typical experiments performed at the facility. We give an overview of the FLASH facility, and describe the basic principles of the accelerator. Recently, FLASH has been extended by a second undulator beamline (FLASH2) operated in parallel to the first beamline, extending the capacity of the facility by a factor of two.

引用

页数：13

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