Two-color free-electron laser driven by a radio-frequency linear accelerator

1989 ◽  
Vol 6 (5) ◽  
pp. 973 ◽  
Author(s):  
H. A. Schwettman ◽  
T. I. Smith
1991 ◽  
Vol 27 (12) ◽  
pp. 2605-2612 ◽  
Author(s):  
C.G. Parazzoli ◽  
R.E. Rodenburg ◽  
J.B. Romero ◽  
J.L. Adamski ◽  
D.J. Pistoresi ◽  
...  

2019 ◽  
Vol 26 (2) ◽  
pp. 595-602 ◽  
Author(s):  
Kensuke Tono ◽  
Toru Hara ◽  
Makina Yabashi ◽  
Hitoshi Tanaka

The SPring-8 Ångstrom Compact free-electron LAser (SACLA) began parallel operation of three beamlines (BL1–3) in autumn 2017 to increase the user beam time of the X-ray free-electron laser. The success of the multiple-beamline operation is based on two technological achievements: (i) the fast switching operation of the SACLA main linear accelerator, which provides BL2 and BL3 with pulse-by-pulse electron beams, and (ii) the relocation and upgrade of the SPring-8 Compact SASE Source for BL1, for the generation of a soft X-ray free-electron laser. Moreover, the photon beamlines and experimental stations were upgraded to facilitate concurrent user experiments at the three beamlines and accommodate more advanced experiments.


1989 ◽  
Author(s):  
C. M. Tang ◽  
P. Sprangle ◽  
A. Ting ◽  
B. Hafizi

2016 ◽  
Vol 23 (5) ◽  
pp. 1070-1075 ◽  
Author(s):  
Tim Plath ◽  
Philipp Amstutz ◽  
Jörn Bödewadt ◽  
Günter Brenner ◽  
Nagitha Ekanayake ◽  
...  

Free-electron lasers (FELs) generate femtosecond XUV and X-ray pulses at peak powers in the gigawatt range. The FEL user facility FLASH at DESY (Hamburg, Germany) is driven by a superconducting linear accelerator with up to 8000 pulses per second. Since 2014, two parallel undulator beamlines, FLASH1 and FLASH2, have been in operation. In addition to the main undulator, the FLASH1 beamline is equipped with an undulator section, sFLASH, dedicated to research and development of fully coherent extreme ultraviolet photon pulses using external seed lasers. In this contribution, the first simultaneous lasing of the three FELs at 13.4 nm, 20 nm and 38.8 nm is presented.


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