Evolution of induction synchrotrons

Takayama, Ken

doi:10.1016/j.revip.2023.100083

Cited by 3 publications

(4 citation statements)

References 52 publications

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“…To date, the induction acceleration technique has been used in hadron synchrotrons, demonstrating a wide freedom of longitudinal beam handling 6 . It is hoped that induction acceleration using the induction cell with multi-insulating gaps described in this paper will spur new developments in electron synchrotrons and storage rings.…”

Section: Discussion and Summarymentioning

confidence: 99%

“…The charged beam cannot pass the acceleration gap during the resetting period. This has been a main restriction on the existing induction synchrotrons 4 , 5 and other circular induction accelerators 6 .…”

Section: Induction Cell With Multi-insulating Gapmentioning

confidence: 99%

“…Arrows represent trigger timing of on/off for the set/reset voltage pulses. Assuming the existing technology 6 , the flat top of 10 ms, rising/falling time of 50 ns, the magnitude of accelerating voltage of 3–4 kV/unit, and repetition rate of a few hundred kHz are realized. …”

Section: Operation Of a Set Of Multiple Induction Cellsmentioning

confidence: 99%

“…4 caption. Note, however, that the required pulse length, voltage height, and repetition rate can be achieved by introducing a multiple induction acceleration system that has been demonstrated previously 6 . For the application introduced here, voltage requirements seem to determine the number of cells required.…”

Section: Potential Applicationmentioning

confidence: 99%

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Effective DC acceleration of charged particles in a circular ring and its potential application

Takayama

2023

Sci Rep

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A novel scheme is proposed for realizing effective DC acceleration of charged particles in a circular ring. The key is to use an induction acceleration cell with multi-insulating gaps that allow forced short circuit using solid-state switching devices such as SiC-MOSFET or unforced short circuit using diodes. A baseline design of the induction acceleration cell is shown. A coasting beam is accelerated in the circular ring without bunching. As its possible application, a continuous-wave terahertz free-electron laser (FEL) is proposed with numerical parameters, where this effective DC acceleration compensates for energy loss of the electron beam occupying the entire isochronous storage ring due to synchrotron radiation and FEL interaction. As a result, FEL microbunching of a coasting beam can be created, resulting in a high average output power that has not been possible with existing linac-driven FELs or RF storage-ring FELs.

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Section: Discussion and Summarymentioning

confidence: 99%

Section: Induction Cell With Multi-insulating Gapmentioning

confidence: 99%

Section: Operation Of a Set Of Multiple Induction Cellsmentioning

confidence: 99%

Section: Potential Applicationmentioning

confidence: 99%

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Effective DC acceleration of charged particles in a circular ring and its potential application

Takayama

2023

Sci Rep

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Step-barrier dynamical system

Takayama

2023

Physics of Plasmas

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The step-barrier dynamical system is discussed in detail. The behavior of particles captured in the barrier bucket remarkably varies depending on their initial conditions. The intrinsic nature of motion observed in the fully normalized area-preserving mapping simulations is simply clarified by a value of energy or momentum of particle at the initial stage. A rational initial value of y in the normalized phase space (x, y) at beginning leads to the periodic solution. Meanwhile, an irrational value of y gives the oscillation in amplitude with multi-frequency, resulting in broad tracks in the phase space. Effectively, the barrier bucket size is reduced due to these broad tracks. We arrive at the concept of effective stable region, which is defined by the contour of the averaged step-barrier Hamiltonian and useful in actual applications.

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Method for Delay Recovery of Trigger Signals

Su,

Liang

2023

2023 IEEE 16th International Conference on Electronic Measurement &Amp; Instruments (ICEMI)

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Evolution of induction synchrotrons

Cited by 3 publications

References 52 publications

Effective DC acceleration of charged particles in a circular ring and its potential application

Effective DC acceleration of charged particles in a circular ring and its potential application

Step-barrier dynamical system

Method for Delay Recovery of Trigger Signals

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