Recent advances in multipactor physics and mitigation

A Iqbal, DQ Wen, J Verboncoeur, P Zhang - High Voltage, 2023 - Wiley Online Library
Recent progress made in the prediction, characterisation, and mitigation of multipactor
discharge is reviewed for single‐and two‐surface geometries. First, an overview of basic …

[HTML][HTML] Space–charge limited current in nanodiodes: Ballistic, collisional, and dynamical effects

P Zhang, YS Ang, AL Garner, Á Valfells… - Journal of Applied …, 2021 - pubs.aip.org
a) Authors to whom correspondence should be addressed: pz@ egr. msu. edu;
yeesin_ang@ sutd. edu. sg; algarner@ purdue. edu; av@ ru. is; john. luginsland …

Review of recent theories and experiments for improving high-power microwave window breakdown thresholds

C Chang, G Liu, C Tang, C Chen, J Fang - Physics of Plasmas, 2011 - pubs.aip.org
Dielectric window breakdown is a serious challenge in high-power microwave (HPM)
transmission and radiation. Breakdown at the vacuum/dielectric interface is triggered by …

Higher harmonics in multipactor induced plasma ionization breakdown near a dielectric surface

DQ Wen, P Zhang, J Krek, Y Fu, JP Verboncoeur - Physical Review Letters, 2022 - APS
In this Letter, the novel physics of higher harmonic (HH) generation of the normal electric
field near a dielectric surface is reported in multipactor induced plasma ionization …

Microwave absorption on a thin film

H Bosman, YY Lau, RM Gilgenbach - Applied Physics Letters, 2003 - pubs.aip.org
With the use of a simple model, it is shown that a thin film of contaminant on a microwave
window may absorb up to 50% of the incident power, even if the film thickness is only a …

Time-dependent physics of a single-surface multipactor discharge

HC Kim, JP Verboncoeur - Physics of plasmas, 2005 - pubs.aip.org
The time-dependent physics of the single-surface multipactor is investigated by using both
particle-in-cell (PIC) and Monte Carlo (MC) simulations. An oscillation of the normal surface …

Observation of multipactor in an alumina-based dielectric-loaded accelerating structure

JG Power, W Gai, SH Gold, AK Kinkead, R Konecny… - Physical review …, 2004 - APS
We report a new regime of single-surface multipactor that was observed during high-power
testing of an 11.424-GHz alumina-based dielectric-loaded accelerating structure. Previous …

A review of recent studies on two-frequency RF field-induced single-surface multipactor discharge

A Iqbal, PY Wong, DQ Wen… - … on Plasma Science, 2021 - ieeexplore.ieee.org
This article briefly reviews the theory and modeling of single-surface multipactor discharge
on a dielectric, focusing on recent studies on two-frequency RF-field-induced multipactor. A …

[HTML][HTML] Multipactor susceptibility on a dielectric with two carrier frequencies

A Iqbal, J Verboncoeur, P Zhang - Physics of Plasmas, 2018 - pubs.aip.org
This work investigates multipactor discharge on a single dielectric surface with two carrier
frequencies of an rf electric field. We use Monte Carlo simulations and analytical …

Enhanced window breakdown dynamics in a nanosecond microwave tail pulse

C Chang, M Zhu, J Verboncoeur, S Li, J **e… - Applied Physics …, 2014 - pubs.aip.org
The mechanisms of nanosecond microwave-driven discharges near a dielectric/vacuum
interface were studied by measuring the time-and space-dependent optical emissions and …