Warning: imagejpeg(C:\Inetpub\vhosts\kidney.de\httpdocs\phplern\26439410
.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Nat+Commun
2015 ; 6
(ä): 8486
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Terahertz-driven linear electron acceleration
#MMPMID26439410
Nanni EA
; Huang WR
; Hong KH
; Ravi K
; Fallahi A
; Moriena G
; Miller RJ
; Kärtner FX
Nat Commun
2015[Oct]; 6
(ä): 8486
PMID26439410
show ga
The cost, size and availability of electron accelerators are dominated by the
achievable accelerating gradient. Conventional high-brightness radio-frequency
accelerating structures operate with 30-50?MeV?m(-1) gradients. Electron
accelerators driven with optical or infrared sources have demonstrated
accelerating gradients orders of magnitude above that achievable with
conventional radio-frequency structures. However, laser-driven wakefield
accelerators require intense femtosecond sources and direct laser-driven
accelerators suffer from low bunch charge, sub-micron tolerances and
sub-femtosecond timing requirements due to the short wavelength of operation.
Here we demonstrate linear acceleration of electrons with keV energy gain using
optically generated terahertz pulses. Terahertz-driven accelerating structures
enable high-gradient electron/proton accelerators with simple accelerating
structures, high repetition rates and significant charge per bunch. These
ultra-compact terahertz accelerators with extremely short electron bunches hold
great potential to have a transformative impact for free electron lasers, linear
colliders, ultrafast electron diffraction, X-ray science and medical therapy with
X-rays and electron beams.