Zhaoxi Chen
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View article: Improving the reconstruction accuracy of tomographic absorption spectroscopy sensor by optimizing laser beam arrangements
Improving the reconstruction accuracy of tomographic absorption spectroscopy sensor by optimizing laser beam arrangements Open
Tomographic absorption spectroscopy (TAS) typically employs multiple projections to reconstruct the spatial distribution of temperature and species concentration, making it a promising method for combustion diagnostics. However, the geomet…
View article: Exploring What Why and How: A Multifaceted Benchmark for Causation Understanding of Video Anomaly
Exploring What Why and How: A Multifaceted Benchmark for Causation Understanding of Video Anomaly Open
Recent advancements in video anomaly understanding (VAU) have opened the door to groundbreaking applications in various fields, such as traffic monitoring and industrial automation. While the current benchmarks in VAU predominantly emphasi…
View article: Effects of divertor geometry on detachment and core plasma performance with impurity seeding in EAST
Effects of divertor geometry on detachment and core plasma performance with impurity seeding in EAST Open
Divertor detachment operation compatible with the core plasma is an effective method to alleviate the steady-state heat flux approaching the divertor target; this scheme will be adopted by high-performance tokamaks in the future, such as I…
View article: Pre-conceptual studies of a travelling wave array antenna for the EAST
Pre-conceptual studies of a travelling wave array antenna for the EAST Open
One of the primary problems of ion cyclotron range of frequency (ICRF) systems in magnetic confinement experiments is the coupling of a large amount of radio frequency wave power through the plasma cut-off layer within the voltage limits o…
View article: Atomic-level structural responsiveness to environmental conditions from 3D electron diffraction
Atomic-level structural responsiveness to environmental conditions from 3D electron diffraction Open
Electron microscopy has been widely used in the structural analysis of proteins, pharmaceutical products, and various functional materials in the past decades. However, one fact is often overlooked that the crystal structure might be sensi…
View article: Layer-by-layer growth of bilayer graphene single-crystals enabled by self-transmitting catalytic activity
Layer-by-layer growth of bilayer graphene single-crystals enabled by self-transmitting catalytic activity Open
Direct growth of large-area vertically stacked two-dimensional (2D) van der Waal (vdW) materials is a prerequisite for their high-end applications in integrated electronics, optoelectronics and photovoltaics. Currently, centimetre- to even…
View article: WEST actively cooled load resilient ion cyclotron resonance heating system results
WEST actively cooled load resilient ion cyclotron resonance heating system results Open
Three identical new WEST ion cyclotron resonance heating (ICRH) antennas have been designed, assembled then commissioned on plasma from 2013 to 2019. The WEST ICRH system is both load-resilient and compatible with long-pulse operations. Th…
View article: Multi-physics modeling and Au-Ni/Rh coating assessment for ITER ion cyclotron resonance heating radio-frequency sliding contacts
Multi-physics modeling and Au-Ni/Rh coating assessment for ITER ion cyclotron resonance heating radio-frequency sliding contacts Open
ITER is a large scale fusion experimental device under construction in Cadarache (France) intended to prove the viability of fusion as an energy source. Ion Cyclotron Resonance Heating (ICRH) system is one of the three heating systems whic…
View article: Mitigation of plasma–material interactions via passive Li efflux from the surface of a flowing liquid lithium limiter in EAST
Mitigation of plasma–material interactions via passive Li efflux from the surface of a flowing liquid lithium limiter in EAST Open
Here, a new flowing liquid Li limiter (FLiLi) based on the concept of a thin flowing film has been successfully designed and tested in the EAST device in 2014. A bright Li radiative mantle at the plasma edge was observed during discharges …
View article: First results of the use of a continuously flowing lithium limiter in high performance discharges in the EAST device
First results of the use of a continuously flowing lithium limiter in high performance discharges in the EAST device Open
As an alternative choice of solid plasma facing components (PFCs), flowing liquid lithium can serve as a limiter or divertor PFC and offers a self-healing surface with acceptable heat removal and good impurity control. Such a system could …
View article: Ceramic Thin Films with Embedded Magnetic Nanofibers or Nanorods of Controlled Orientations
Ceramic Thin Films with Embedded Magnetic Nanofibers or Nanorods of Controlled Orientations Open
Ceramic thin films embedded with oriented magnetic nanofibers or nanorods are highly demanded for the applications in remote sensing, electromagnetic shielding, and thermal management at high temperatures. The general strategy for developi…
View article: Ion cyclotron resonance heating systems upgrade toward high power and CW operations in WEST
Ion cyclotron resonance heating systems upgrade toward high power and CW operations in WEST Open
The design of the WEST (Tungsten-W Environment in Steady-state Tokamak) Ion\ncyclotron resonance heating antennas is based on a previously tested\nconjugate-T Resonant Double Loops prototype equipped with internal vacuum\nmatching capacito…