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Asymmetric dual axis energy recovery linac for ultrahigh flux sources of coherent x-ray and THz radiation: investigations towards its ultimate performance

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Asymmetric dual axis energy recovery linac for ultrahigh flux sources of coherent x-ray and THz radiation : investigations towards its ultimate performance. / Ainsworth, R.; Burt, Graeme Campbell; Konoplev, I. V. et al.

In: Physical Review Accelerators and Beams, Vol. 19, No. 8, 083502, 18.08.2016.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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Ainsworth R, Burt GC, Konoplev IV, Seryi A. Asymmetric dual axis energy recovery linac for ultrahigh flux sources of coherent x-ray and THz radiation: investigations towards its ultimate performance. Physical Review Accelerators and Beams. 2016 Aug 18;19(8):083502. doi: 10.1103/PhysRevAccelBeams.19.083502

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@article{18453496be8a4fb5ac21200124b41ad9,
title = "Asymmetric dual axis energy recovery linac for ultrahigh flux sources of coherent x-ray and THz radiation: investigations towards its ultimate performance",
abstract = "In order for sources of coherent high brightness and intensity THz and x-ray radiation to be accepted by university or industrial R&D laboratories, truly compact, high current and efficient particle accelerators are required. The demand for compactness and efficiency can be satisfied by superconducting rf energy recovery linear accelerators (SRF ERL) allowing effectively minimizing the footprint and maximizing the efficiency of the system. However such setups are affected by regenerative beam break-up (BBU) instabilities which limit the beam current and may terminate the beam transport as well as energy recuperation. In this paper we suggest and discuss a SRF ERL with asymmetric configuration of resonantly coupled accelerating and decelerating cavities. In this type of SRF ERL an electron bunch is passing through accelerating and decelerating cavities once and, as we show in this case, the regenerative BBU instability can be minimized allowing high currents to be achieved. We study the BBU start current in such an asymmetric ERL via analytical and numerical models and discuss the properties of such a system",
author = "R. Ainsworth and Burt, {Graeme Campbell} and Konoplev, {I. V.} and A. Seryi",
year = "2016",
month = aug,
day = "18",
doi = "10.1103/PhysRevAccelBeams.19.083502",
language = "English",
volume = "19",
journal = "Physical Review Accelerators and Beams",
issn = "2469-9888",
publisher = "American Physical Society",
number = "8",

}

RIS

TY - JOUR

T1 - Asymmetric dual axis energy recovery linac for ultrahigh flux sources of coherent x-ray and THz radiation

T2 - investigations towards its ultimate performance

AU - Ainsworth, R.

AU - Burt, Graeme Campbell

AU - Konoplev, I. V.

AU - Seryi, A.

PY - 2016/8/18

Y1 - 2016/8/18

N2 - In order for sources of coherent high brightness and intensity THz and x-ray radiation to be accepted by university or industrial R&D laboratories, truly compact, high current and efficient particle accelerators are required. The demand for compactness and efficiency can be satisfied by superconducting rf energy recovery linear accelerators (SRF ERL) allowing effectively minimizing the footprint and maximizing the efficiency of the system. However such setups are affected by regenerative beam break-up (BBU) instabilities which limit the beam current and may terminate the beam transport as well as energy recuperation. In this paper we suggest and discuss a SRF ERL with asymmetric configuration of resonantly coupled accelerating and decelerating cavities. In this type of SRF ERL an electron bunch is passing through accelerating and decelerating cavities once and, as we show in this case, the regenerative BBU instability can be minimized allowing high currents to be achieved. We study the BBU start current in such an asymmetric ERL via analytical and numerical models and discuss the properties of such a system

AB - In order for sources of coherent high brightness and intensity THz and x-ray radiation to be accepted by university or industrial R&D laboratories, truly compact, high current and efficient particle accelerators are required. The demand for compactness and efficiency can be satisfied by superconducting rf energy recovery linear accelerators (SRF ERL) allowing effectively minimizing the footprint and maximizing the efficiency of the system. However such setups are affected by regenerative beam break-up (BBU) instabilities which limit the beam current and may terminate the beam transport as well as energy recuperation. In this paper we suggest and discuss a SRF ERL with asymmetric configuration of resonantly coupled accelerating and decelerating cavities. In this type of SRF ERL an electron bunch is passing through accelerating and decelerating cavities once and, as we show in this case, the regenerative BBU instability can be minimized allowing high currents to be achieved. We study the BBU start current in such an asymmetric ERL via analytical and numerical models and discuss the properties of such a system

U2 - 10.1103/PhysRevAccelBeams.19.083502

DO - 10.1103/PhysRevAccelBeams.19.083502

M3 - Journal article

VL - 19

JO - Physical Review Accelerators and Beams

JF - Physical Review Accelerators and Beams

SN - 2469-9888

IS - 8

M1 - 083502

ER -