Prototype microwave source for a relativistic klystron two-beam accelerator

Houck, T.; Deadrick, F.J.; Giordano, G.; Henestroza, E.; Lidia, S.; Reginato, L.L.; Vanecek, D.; Westenskow, G.A.; Yu, S.S.

doi:10.1109/27.533099

Cited by 17 publications

(7 citation statements)

References 15 publications

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“…The relativistic klystron is a very high-power microwave source that could be used to power future linear colliders based on the Two-Beam Accelerator (RK-TBA) concept (1). As part of the collaboration, a prototype relativistic klystron is being constructed at LBNL to study issues concerning physics, engineering, efficiency, and cost (2). A major technical challenge to the successful operation of a full scale relativistic klystron is the transport of the electron beam through several hundred meters of narrow aperture microwave extraction structures and induction accelerator cells.…”

Section: Introductionmentioning

confidence: 99%

Diagnostics for a 1.2 kA, 1 MeV, electron induction injector

Houck¹,

Anderson²,

Eylon³

et al. 1998

AIP Conference Proceedings

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Abstract. We are constructing a 1.2 kA, 1 MeV, electron induction injector as part of the RTA program, a collaborative effort between LLNL and LBNL to develop relativistic klystrons for Two-Beam Accelerator applications. The RTA injector will also be used in the development of a high-gradient, low-emittance, electron source and beam diagnostics for the second axis of the Dual Axis Radiographic Hydrodynamic Test (DARHT) Facility. The electron source will be a 3.5"-diameter, thermionic, flat-surface, m-type cathode with a maximum shroud field stress of approximately 165 kV/cm. Additional design parameters for the injector include a pulse length of over 150 ns flat top (1% energy variation), and a normalized edge emittance of less than 200 π-mm-mr. Precise measurement of the beam parameters is required so that performance of the RTA injector can be confidently scaled to the 4 kA, 3 MeV, and 2-microsecond pulse parameters of the DARHT injector. Planned diagnostics include an isolated cathode with resistive divider for direct measurement of current emission, resistive wall and magnetic probe current monitors for measuring beam current and centroid position, capacitive probes for measuring A-K gap voltage, an energy spectrometer, and a pepperpot emittance diagnostic. Details of the injector, beam line, and diagnostics are presented.

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Section: Introductionmentioning

confidence: 99%

Diagnostics for a 1.2 kA, 1 MeV, electron induction injector

Houck¹,

Anderson²,

Eylon³

et al. 1998

AIP Conference Proceedings

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“…Construction of the RTA, a prototype of the proposed TBNLC RF power source subunits [6], has started at LBNL. Details of the RTA design has been presented elsewhere [7,8].…”

Section: Rta Prototype Rf Power Sourcementioning

confidence: 99%

RK-TBA studies at the RTA test facility

Lidia¹,

Anderson²,

Eylon³

et al. 1997

The Seventh Workshop on Advanced Accelerator Concepts

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Abstract. Constructionof a prototype RF power source based on the RK-TBA concep~called the RT& has commenced at the Lawrence Berkeley National Mxwatory. Ilk prototype will be used to study physics, engineering, and costing issues involved in the application of the RK-TBA concept to linearcolliders. The status of the prototype is present@ specifically the I-W, 1.24A induction electron gun and the pulsed power system that are in assembly. The RTA program theoreticaleffort, in addition to supporting the development of the prototype, has been studying optimization parameters for the application of the RK-TBA concept to higher-energylinearcolliders. An overview of this work is presented.

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“…76 subunits are required for a 1.5-TeV collider. A test facility, called the RTA, has been established at LBNL [4] to verify the analysis used in the design study. The primary effort of the facility is the construction of a prototype TBNLC subunit that will permit the study of technical issues, system efficiencies, and costing.…”

Section: Introductionmentioning

confidence: 99%

Design of a 1-MV induction injector for the Relativistic Klystron Two-Beam accelerator

Anderson

Eylon²,

Lidia³

et al.

Proceedings of the 1997 Particle Accelerator Conference (Cat. No.97CH36167)

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A Relativistic Klystron Two-Beam Accelerator (RK-TBA) is envisioned as a rf power source upgrade of the Next Linear Collider. Construction of a prototype, called the RTA, based on the RK-TBA concept has commenced at the Lawrence Berkeley National Laboratory. This prototype will be used to study physics, engineering, and costing issues involved in the application of the RK-TBA concept to linear colliders. The first half of the injector, a 1 MeV, 1.2 kA, 300 ns induction electron gun, has been built and is presently being tested. The design of the injector cells and the pulsed power drive units are presented in this paper.

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Prototype microwave source for a relativistic klystron two-beam accelerator

Cited by 17 publications

References 15 publications

Diagnostics for a 1.2 kA, 1 MeV, electron induction injector

Diagnostics for a 1.2 kA, 1 MeV, electron induction injector

RK-TBA studies at the RTA test facility

Design of a 1-MV induction injector for the Relativistic Klystron Two-Beam accelerator

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