Studies of high order modes in asymmetric dual-axis cavity

Topp-Mugglestone, M.; Konoplev, I. V.; Zhang, H.; Seryi, Andrei

doi:10.1063/1.5060725

Cited by 3 publications

(3 citation statements)

References 16 publications

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“…The microbunched beam is used to generate coherent THz Smith-Purcell radiation with a mirror positioned to collect the EM radiation. Afterwards the beam goes into the decelerating section for the energy recovery [16,17,18]. Using available accelerator technologies such THz radiation source can be compact (fit in the space of 10m 3 ) and very efficient.…”

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

“…For example, the spacecharge effects can be mitigated in the case of a relativistic electron beam allowing high power radia tion to be generated. Also the application of energy recovery [24][25][26] has been explored to increase the overall efficiency of the system. The ultimate features of such sources which make them attractive include tunability over a broad frequency (0.1 THz to 10 Hz) and power range.…”

Section: Introductionmentioning

confidence: 99%

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A tunable source of coherent terahertz radiation driven by the microbunched electron beam

Zhang¹,

Konoplev²,

Doucas³

2019

J. Phys. D: Appl. Phys.

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The studies of coherent terahertz (THz) tunable Smith-Purcell radiation source driven by the microbunched electron beam are presented. We discuss the conceptual design of a high power and broadly tunable THz radiation source capable of bridging the THztechnological gap. The results of the numerical and analytical studies using different software packages, models and approaches are shown and good agreement between the results is demonstrated. The spectra of the coherent Smith-Purcell radiation (cSPr) excited by a single bunch and train of the microbunches are compared and the excitation of the harmonics of cSPr is discussed. It is shown that varying the distance between microbunches the power and the frequency of the output cSPr can be controlled.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A tunable source of coherent terahertz radiation driven by the microbunched electron beam

Zhang¹,

Konoplev²,

Doucas³

2019

J. Phys. D: Appl. Phys.

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Concept of circular-linear energy recovery accelerator to probe the energy frontier

Konoplev

Bogacz²,

Shashkov

et al. 2022

J. Inst.

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Energy-frontier accelerators provide powerful tools performing high precision measurements confirming the fundamentals of the physics and broadening new research horizons. Such machines are either driven by circular or linear accelerators. The circular machines, having the centre-of-mass (CM) energy values reaching 200 GeV (for leptons) and above, experience beam energy loss and quality dilution, for example, due to synchrotron radiation, limiting the overall CM energy achievable and requiring a constant energy top-up to compensate the loss and the beam quality dilution. Linear colliders overcome these limitations, while the finite capabilities of generating high average current beams limits the luminosity. This is partially compensated by the quality of the colliding beams. In this work, we suggest a novel design of circular-linear accelerator based on the merging of the “non-emitting”, low-energy storage rings and energy recovery linear accelerators. We suggest using the recently considered dual-axis asymmetric cavities to enable the operation of such a system, and in particular the energy recovery from spent, high-intensity beams. The machine considered, under the scope of the SNOWMASS-2021 initiative, can be potentially used to reach ultimate energy frontiers in high-energy physics as well as to drive next generation light sources. The merging of circular and linear systems, and applications of dual axes cavities, should allow the maintaining of high beam quality, high luminosity, and high energy efficiency, while offering a flexible energy management and opening clear opportunity for reducing the running cost. We note that the numbers shown in the paper are for illustration purpose and can be improved further.

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Ultimate energy recovery from spent relativistic electron beam in energy recovery linear accelerators

Konoplev

Shashkov

Bulygin

et al. 2020

Phys. Rev. Accel. Beams

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Studies of high order modes in asymmetric dual-axis cavity

Abstract: Maximizing the quality factor to mode volume ratio for ultra-small photonic crystal cavities

Cited by 3 publications

References 16 publications

A tunable source of coherent terahertz radiation driven by the microbunched electron beam

A tunable source of coherent terahertz radiation driven by the microbunched electron beam

Concept of circular-linear energy recovery accelerator to probe the energy frontier

Ultimate energy recovery from spent relativistic electron beam in energy recovery linear accelerators

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