A METHOD OF FORMING A HIGH-QUALITY ELECTRON-BEAM FOR FREE-ELECTRON MASERS

Authors
SAMSONOV SV BRATMAN VL MANUILOV VN
Citation
Sv. Samsonov et al., A METHOD OF FORMING A HIGH-QUALITY ELECTRON-BEAM FOR FREE-ELECTRON MASERS, Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 375(1-3), 1996, pp. 393-395
Citations number
8
Categorie Soggetti
Nuclear Sciences & Tecnology","Physics, Particles & Fields","Instument & Instrumentation",Spectroscopy
Journal title
Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment → ACNP
ISSN journal
01689002
Volume
375
Issue
1-3
Year of publication
1996
Pages
393 - 395
Database
ISI
SICI code
0168-9002(1996)375:1-3<393:AMOFAH>2.0.ZU;2-7
Abstract
A new method to form a high-quality electron beam in which electrons i nitially move strictly along the axis without spurious transverse velo city is discussed. A two-electrode axisymmetric gun immersed in a unif orm axial magnetic field is followed by a small correcting coil which compensates the dispersing action of an anode aperture and ''straighte ns'' electron trajectories. Computer simulations of a magnetically ins ulated diode with the space-charge-limited current proved effectivenes s of this method. The use of the method in a cyclotron autoresonance m aser experiment provided 30% electron efficiency enhancement.