Recent progress in CW and long-pulse klystrons at CPI

Lenci, S.; Bohlen, H.; Eisen, E.; Stothers, K.; Rees, D.; Tallerico, P.J.; Ebert, Martin; Kaplan, R.

doi:10.1109/ove:ec.2000.847390

Cited by 2 publications

(2 citation statements)

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“…Continuous-wave klystrons with output rf power of hundreds of kilowatts to more than 1 MW were developed for various purposes, including storage rings and linear accelerators in the frequency bands from ultra high frequency (UHF) (500 MHz) to the X-band. In particular, many klystrons were developed for the industrial frequency band 2450 MHz [29][30][31][32].…”

Section: Prospective Industrial Rf Cw Electron Acceleratorsmentioning

confidence: 99%

Continuous-wave electron linear accelerators for industrial applications

Yurov

Alimov

Ishkhanov

et al. 2017

Phys. Rev. Accel. Beams

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Based on Skobeltsyn Institute of Nuclear Physics (SINP) Moscow State University (MSU) experience in developing continuous-wave (cw) normal conducting electron linacs, we propose a design for such accelerators with beam energy of up to 10 MeV and average beam power of up to several hundred kW. An example of such design is the 1 MeV industrial cw linac with maximum beam power of 25 kW achievable with 50 kW klystron, which was recently commissioned at SINP MSU.

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Section: Prospective Industrial Rf Cw Electron Acceleratorsmentioning

confidence: 99%

Continuous-wave electron linear accelerators for industrial applications

Yurov

Alimov

Ishkhanov

et al. 2017

Phys. Rev. Accel. Beams

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“…Hence, it can be concluded that overdriving a klystron amplifier reduces its output power. However, the value of the gain decreases with the increase in input power [10], [11].…”

Section: A Variation Of Rf Gain With Rf Input Powermentioning

confidence: 99%

High-Power RF Testing of 1-MW, 352.2-MHz Continuous Wave Klystron Amplifier

Badapanda

Tripathi

Upadhyay

et al. 2015

IEEE Trans. Plasma Sci.

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A 1-MW, 352.2-MHz continuous wave (CW) radio frequency (RF) test stand based on TH 2089 klystron amplifier is developed and tested up to its rated power. Klystron amplifier demands stringent performances from its beam bias power supply for its proper operation. A novel crowbar less solid-state modular topology is adopted for −100-kV, 25-A dc beam bias power supply and its achieved performance parameters are presented in this paper. Wire burn test, which is crucial for CW klystron amplifier, was conducted on this power supply to ensure that its stored energy during klystron arcing is less than 20-J. The criterion for the selection of test wire is also presented. A real-time control system is developed for proper sequence of operation of various power supplies as well as for control and monitoring of crucial parameters of this test stand. The testing of this high-power klystron amplifier is quite involved in nature and various tests have been carried out under several operating conditions before it is employed in the high-power RF test stand. This paper studies and analyzes the effect of variations of various parameters on the performance of this high-power klystron amplifier. Variation of output power and RF gain against RF input power as well as variation of RF phase over beam voltage is presented. Variations of RF output power against frequency, beam voltage, beam current, and mod-anode voltage are also presented. Heat run test was conducted on this klystron amplifier for 24 h to ensure its reliability.

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Recent progress in CW and long-pulse klystrons at CPI

Cited by 2 publications

References 0 publications

Continuous-wave electron linear accelerators for industrial applications

Continuous-wave electron linear accelerators for industrial applications

High-Power RF Testing of 1-MW, 352.2-MHz Continuous Wave Klystron Amplifier

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