A5040978402- Particle accelerators and beam dynamics
- Particle Accelerators and Free-Electron Lasers
- Superconducting Materials and Applications
- Gyrotron and Vacuum Electronics Research
- Magnetic confinement fusion research
- Advanced Frequency and Time Standards
- Plasma Diagnostics and Applications
- Geophysics and Sensor Technology
- Advanced SAR Imaging Techniques
- Veterinary medicine and infectious diseases
- Power Systems and Renewable Energy
- Helicobacter pylori-related gastroenterology studies
- Smart Grid Security and Resilience
- Acoustic Wave Resonator Technologies
- Advancements in PLL and VCO Technologies
- Nuclear reactor physics and engineering
- Radio Frequency Integrated Circuit Design
- Material Properties and Applications
- Smart Grid and Power Systems
- Iterative Learning Control Systems
- Underwater Acoustics Research
- Seismic Waves and Analysis
- Seismic Imaging and Inversion Techniques
- Underwater Vehicles and Communication Systems
- Electromagnetic Launch and Propulsion Technology
Institute of Modern Physics
2014-2024
Chinese Academy of Sciences
2014-2024
Dalian University of Technology
2024
Guang’anmen Hospital
2024
China Academy of Chinese Medical Sciences
2024
University of Chinese Academy of Sciences
2014-2024
Ji Hua Laboratory
2022
Institute of Physics
1984
A superconducting ion-Linac (iLinac), which is supposed to work as the injector in High Intensity heavy-ion Accelerator Facility project, under development at Institute of Modern Physics (IMP), Chinese Academy Sciences. The iLinac a heavy ion linear accelerator approximately 100 meters long and contains 96 cavities two types 17 cyromodules. Two resonators (quarter-wave with frequency 81.25 MHz an optimal beta β = v/c 0.07 called QWR007 half-wave 162.5 0.15 HWR015) have been investigated....
Abstract The design, construction, and commissioning of a novel liquid helium-free (LHe-free) Nb 3 Sn superconducting radio frequency (SRF) electron accelerator at the Institute Modern Physics Chinese Academy Sciences (IMP, CAS) will be presented. A 650 MHz 5-cell elliptical cavity was coated using tin vapor diffusion method for beam acceleration. slowly cooled down across 18 K with high-precision collaborative control ten individual GM cryocoolers. This process accompanied by characteristic...
As a part of R&D work for the high intensity proton linac China Accelerator Driven Sub-critical System project, superconducting half-wave cavity with frequency 162.5 MHz and an optimal beta 0.15 (HWR015) has been developed at Institute Modern Physics (IMP), Chinese Academy Sciences. In this paper, design test results will be described in detail. We introduced new stiffening strategy HWR cavity, simulation show that much lower sensitivity coefficient (df/dp), Lorentz force detuning (KL), can...
The China Accelerator-Driven Sub-critical System (CADS) is a high intensity proton facility to dispose of nuclear waste and generate electric power. CADS based on 1.5 GeV, 10 mA CW superconducting (SC) linac as driver. energy section the composed two families SC elliptical cavities which are designed with geometrical beta 0.63 0.82. In this paper, 650 MHz β=0.63 cavity studied, including optimization, multipacting, order modes (HOMs) generator RF power calculation.
Off-line high-power tests of the fundamental power couplers prior to their on-line operations are importance for ensuring operating reliability and stability. To test using a limited supply effectively, movable standing wave (SW) resonant system with an extraordinary gain has been developed at Institute Modern Physics, Chinese Academy Sciences (IMP, CAS). The consists resonator having two shorts enhancement movement SW field, tunable secondary coupler feeding into without reflection....
A superconducting squeezed type half-wave resonator (HWR) of β=0.09 has been developed at the Institute Modern Physics, Lanzhou. In this paper, a basic design is presented for stiffening structure detuning effect caused by helium pressure and Lorentz force. The mechanical modal analysis investigated with finite element method (FEM). Based on these considerations, new proposed HWR cavity. computation results concerning frequency shift show that low beta cavity sensitivity coefficient df/dp...
Superconducting Radio Frequency technologies are widely employed in particle accelerators to explore the frontiers of science. Pure niobium cavity with 2.8–4[Formula: see text]mm thickness is traditional technology a compromise between thermal conduction and mechanic stability. To meet requirements higher stability such as ADS linac, high intensity pulse solution for enhancing superconducting cavities by Al–Nb double layer structure proposed while maintaining enough heat transfer capacity....
The design, construction, and commissioning of a conduction-cooled Nb3Sn demonstration superconducting radio frequency (SRF) electron accelerator at the Institute Modern Physics Chinese Academy Sciences (IMP, CAS) will be presented. In context engineering application planning for thin-film SRF cavities within CiADS project, 650MHz 5-cell elliptical cavity was coated using vapor diffusion method beam acceleration. Through high-precision collaborative control 10 GM cryocooler, slow cooldown...