Minimization of transverse beam-emittance growth in the 90-degree bending section of the RAON rare-isotope accelerator

2016 ◽  
Vol 69 (10) ◽  
pp. 1523-1530
Author(s):  
B. H. Oh ◽  
M. Yoon
Keyword(s):  
Rare Isotope ◽  
Transverse Beam ◽  
Beam Emittance ◽  
Emittance Growth

scholarly journals Transverse beam emittance studies of the CYRCé TR24 cyclotron

2019 ◽  
Vol 931 ◽  
pp. 151-157
Author(s):  
E. Bouquerel ◽  
E. Traykov ◽  
K.P. Nesteruk ◽  
S. Braccini ◽  
T.S. Carzaniga ◽  
...  
Keyword(s):  
Transverse Beam ◽  
Beam Emittance

scholarly journals Beam emittance growth caused by transverse deflecting fields in a linear accelerator

1980 ◽  
Vol 178 (1) ◽  
pp. 1-8 ◽  
Author(s):  
Alexander W. Chao ◽  
Burton Richter ◽  
Chi-Yuan Yao
Keyword(s):  
Linear Accelerator ◽  
Beam Emittance ◽  
Emittance Growth

scholarly journals Measurement of transverse emittance and coherence of double-gate field emitter array cathodes

2016 ◽  
Vol 7 (1) ◽  
Author(s):  
Soichiro Tsujino ◽  
Prat Das Kanungo ◽  
Mahta Monshipouri ◽  
Chiwon Lee ◽  
R.J. Dwayne Miller
Keyword(s):  
Near Infrared ◽  
Double Gate ◽  
Transverse Beam ◽  
Beam Emittance ◽  
Field Emitter ◽  
Field Emitter Arrays ◽  
Emitter Array ◽  
Field Emitter Array ◽  
On Chip ◽  
Low Emittance

Abstract Achieving small transverse beam emittance is important for high brightness cathodes for free electron lasers and electron diffraction and imaging experiments. Double-gate field emitter arrays with on-chip focussing electrode, operating with electrical switching or near infrared laser excitation, have been studied as cathodes that are competitive with photocathodes excited by ultraviolet lasers, but the experimental demonstration of the low emittance has been elusive. Here we demonstrate this for a field emitter array with an optimized double-gate structure by directly measuring the beam characteristics. Further we show the successful application of the double-gate field emitter array to observe the low-energy electron beam diffraction from suspended graphene in minimal setup. The observed low emittance and long coherence length are in good agreement with theory. These results demonstrate that our all-metal double-gate field emitters are highly promising for applications that demand extremely low-electron bunch-phase space volume and large transverse coherence.

scholarly journals Transverse Beam Emittance Measurement by Undulator Radiation Power Noise

2021 ◽  
Vol 126 (13) ◽  
Author(s):  
Ihar Lobach ◽  
Sergei Nagaitsev ◽  
Valeri Lebedev ◽  
Aleksandr Romanov ◽  
Giulio Stancari ◽  
...  
Keyword(s):  
Radiation Power ◽  
Transverse Beam ◽  
Beam Emittance ◽  
Undulator Radiation ◽  
Power Noise ◽  
Emittance Measurement
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