Axial RF Power Input into Photocathode Electron Guns

Janssen, D.; Volkov, Vladimir; Bluem, H.; Todd, A.M.M.

doi:10.1109/pac.2005.1590548

Cited by 3 publications

(1 citation statement)

References 5 publications

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“…RF Photo gun is suggested as a primary source of electrons. This technique is well developed [35]. Laser system must generate a laser pulse each 1/30 sec (30Hz) synchronized with RF and main laser system.…”

Section: Injectormentioning

confidence: 99%

Design study of compact Laser-Electron X-ray Generator for material and life sciences applications

et al. 2009

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X-ray generators utilizing Thomson scattering fill in the gap that exists between conventional and synchrotron-based X-ray sources. They are expected to be more intensive than X-ray tubes and more compact, accessible and less expensive than synchrotrons. In this work, two operation modes of Thomson X-ray source are documented: quasi CW (QCW) and a pulsed one are considered for material sciences and medical applications being implemented currently at Synchrotron Radiation (SR) facilities. The system contains a ~50 MeV linac and a few picosecond laser with an average power ~few hundred Watts. The Thomson X-ray source is able to deliver up to 5·10 11 photons in a millisecond flash and an average flux of 10 12 -10 13 phot/sec. To achieve these parameters with existing optical and accelerator technology, the system must also contain a ring for storage of ebunches for 10 3 -10 5 revolutions and an optical circulator for storage of laser pulses for 10 2 passes. The XAFS spectroscopy, small animal angiography and human noninvasive coronary angiography are considered to be possible applications of the X-ray source.

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Section: Injectormentioning

confidence: 99%

Design study of compact Laser-Electron X-ray Generator for material and life sciences applications

et al. 2009

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State-of-the-art electron guns and injector designs for energy recovery linacs (ERL)

Todd

2006

Nuclear Instruments and Methods in Physics Research Section A:

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A key technology issue of energy recovery linac (ERL) devices for high-power free-electron laser (FEL) and fourth generation light sources is the demonstration of reliable, high-brightness, high-power injector operation. Three ongoing programs that target up to 0.5 Ampere photocathode injector performance with required EFU brightness, are described. The first is a DC gun and superconducting RF (SRF) booster cryomodule. Such a 748.5 MHz device is being assembled and will be tested up to 100 mA at the Thomas Jefferson National Accelerator Facility (JLAB) beginning in 2006. The second approach is a high-current normal-conducting RF (NCRF) injector. A 700 MHz gun will undergo thermal test in late 2005 at the Los Alamos National Laboratory (LANL), which when equipped with a suitable cathode, would be capable of exceeding 0.5 Ampere operation. Finally, a half-cell 703.75 MHz SRF gun with a diamond amplifier and other cathodes, will be tested to 0.5 Ampere at the Brookhaven National Laboratory (BNL) in 2007. The status and projected performance for each of these injector projects is presented.

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High power testing of a fully axisymmetric rf gun

Bluem

2007

2007 IEEE Particle Accelerator Conference (PAC)

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Axial RF Power Input into Photocathode Electron Guns

Cited by 3 publications

References 5 publications

Design study of compact Laser-Electron X-ray Generator for material and life sciences applications

Design study of compact Laser-Electron X-ray Generator for material and life sciences applications

State-of-the-art electron guns and injector designs for energy recovery linacs (ERL)

High power testing of a fully axisymmetric rf gun

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