Optical Spectrometer With a Pulse-to-Pulse Resolution for Terahertz and mm-Wave Signals

Kutsaev, Sergey; Ruelas, M.; Goncharik, Vladimir; To, H.; Murokh, A.

doi:10.1109/tthz.2021.3049647

Cited by 5 publications

(1 citation statement)

References 27 publications

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“…When RFBD occurs, abrupt changes in the RF signal are expected that reduce pulse width down to ~1 ns (or increase the frequency bandwidth by up to 10 GHz). Therefore, a shot-to-shot pulse-length monitor with a high resolution is required [8].…”

Section: Introductionmentioning

confidence: 99%

Pulse Length Monitor for Breakdown Diagnostics in THz and Mm-Wave Accelerators

et al. 2021

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The development of novel high-gradient accelerating structures operating at THz frequencies is critical for future free-electron lasers and TeV scale linear colliders. To reach high energies with reasonable length requires high accelerating gradients of ~100 MV/m. The main limitation to reaching these high-energy gradients is the vacuum RF breakdown phenomenon, which disrupts normal accelerator operations. For stable operations and to understand the breakdown microscopic dynamics, a new device capable of detecting the breakdown occurrences is required. In this paper, we provide the design of a pulse length monitor based on an analog to digital converter for fast signal digitization without the need to use high-speed digitizers to be used in a commercial mm-wave heterodyne spectrometer.

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Section: Introductionmentioning

confidence: 99%

Pulse Length Monitor for Breakdown Diagnostics in THz and Mm-Wave Accelerators

et al. 2021

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Cost-efficiency enhancement of X- and Ku-band split waveguides for industrial accelerators

Smirnov,

Kutsaev,

Agustsson

et al. 2023

Nuclear Instruments and Methods in Physics Research Section A:

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Electron bunchers for industrial RF linear accelerators: theory and design guide

Kutsaev

2021

Eur. Phys. J. Plus

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The acceleration of electrons in resonant linear accelerators (linacs) typically consists of three main stages: (1) emission of the electrons from the cathode and their pre-acceleration with a DC field to the energy of tens of keV; (2) grouping the DC electron beam into bunches and their synchronization with the correct phase of high-frequency electromagnetic fields, and (3) accelerating the bunches of relativistic electrons to the required energies. Although many books describe the theoretical and practical aspects of electron linac design, most of them concentrate on beam physics in either the gun stage or in the relativistic regime, while leaving the description of the bunching process rather general. The physics of non-relativistic motion is described in the literature on ion accelerators, but in practice, it cannot be scaled to electron machines due to the significantly different particle mass and acceleration rate, beam velocity change, and frequencies. In this tutorial review paper, we will fill this gap with a detailed description of the bunching process and provide practical advice on the design of bunching sections in industrial-grade electron linacs.

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Optical Spectrometer With a Pulse-to-Pulse Resolution for Terahertz and mm-Wave Signals

Cited by 5 publications

References 27 publications

Pulse Length Monitor for Breakdown Diagnostics in THz and Mm-Wave Accelerators

Pulse Length Monitor for Breakdown Diagnostics in THz and Mm-Wave Accelerators

Cost-efficiency enhancement of X- and Ku-band split waveguides for industrial accelerators

Electron bunchers for industrial RF linear accelerators: theory and design guide

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