A5083967628- Radiation Detection and Scintillator Technologies
- Laser-Plasma Interactions and Diagnostics
- Nuclear Physics and Applications
- Particle Detector Development and Performance
- Laser-Matter Interactions and Applications
- Medical Imaging Techniques and Applications
- Optical Systems and Laser Technology
- Laser-induced spectroscopy and plasma
- Laser Material Processing Techniques
- Laser Design and Applications
- Advanced Optical Sensing Technologies
- High-pressure geophysics and materials
- Ocular and Laser Science Research
- CCD and CMOS Imaging Sensors
- Adaptive optics and wavefront sensing
- Radio Frequency Integrated Circuit Design
- Radiation Therapy and Dosimetry
- Atmospheric and Environmental Gas Dynamics
- Advanced Power Amplifier Design
- Atomic and Subatomic Physics Research
- Optical Coherence Tomography Applications
- Solid State Laser Technologies
- Advanced Fluorescence Microscopy Techniques
- Image Processing Techniques and Applications
- Radiation Effects in Electronics
Satellite Application Center for Ecology and Environment
2024
Ministry of Ecology and Environment
2024
China Academy of Engineering Physics
2015-2024
Tianjin Medical University General Hospital
2024
China Electronics Technology Group Corporation
2023-2024
Shanghai Jiao Tong University
2017-2024
University of Chinese Academy of Sciences
2015-2023
Institute of High Energy Physics
2013-2023
Chinese Academy of Engineering
2006-2023
Chinese Academy of Sciences
2014-2023
SG-III laser facility is now the largest driver for inertial confinement fusion research in China. The whole can deliver 180 kJ energy and 60 TW power ultraviolet onto target, with balance better than 10%. We review system introduce performance here.
The SG-Ⅲ laser facility (SG-Ⅲ) is the largest driver for inertial confinement fusion (ICF) researches in China, which has 48 beamlines and can deliver 180 kJ ultraviolet energy 3 ns. In order to meet requirements of precise physics experiments, some new functionalities need be added intrinsic performances upgrade. So at end SG-Ⅲ's engineering construction, 2-year performance upgrade project started. This paper will introduce newly latest SG-Ⅲ. With these function extensions upgrade, now...
Conventional radar jamming and deception systems typically necessitate the custom design of complex circuits algorithms to transmit an additional radio signal toward a detector. Consequently, they are often cumbersome, energy-intensive, difficult operate in broadband electromagnetic environment. With ongoing trend miniaturization various devices improvement system performance, traditional techniques no longer meet requirements for broadband, seamless integration, energy efficiency....
A recently proposed octahedral spherical hohlraum with six laser entrance holes (LEHs) is an attractive concept for upgraded facility aiming at a predictable and reproducible fusion gain simple target design. However, the energies available present, LEH size can be critical issue. Owing to uncertainties in simulation results, should determined on basis of experimental evidence. determination ignition small-scale poses difficulties. In this paper, we propose use prepulse pulse determine...
Abstract The Heavy-Ion Research Facility in Lanzhou (HIRFL) and the High Intensity heavy-ion Accelerator (HIAF) are essential platforms for scientific research Asia. These experimental facilities aim to enhance advanced conditions physics related interdisciplinary fields. In context of large-scale facilities, higher demands have been proposed on radiation resistance transmission speed links. clock data recovery (CDR) circuit is one core circuits high-speed It can extract information from...
In inertial confinement approaches to fusion, the asymmetry of target implosion is a major obstacle achieving high gain in laboratory. A recently proposed octahedral spherical hohlraum makes it possible naturally create irradiation without supplementary symmetry control. Before any decision made pursue an ignition-scale laser system based on hohlraum, one needs test concept with existing facilities. Here, we report proof-of-concept experiment for novel geometry cylindrically configured SGIII...
Fiber bundle endomicroscopy has potential for facilitating high-resolution (HR) in vivo imaging. One of the main challenges this technique is improvement image restoration better visualization. In paper, we propose to reconstruct a HR without fixed honeycomb pattern from noisy observation image, which can be formulated as an inverse problem. We use obtained prior and two-step iterative shrinkage thresholding algorithm with total variation regularization solve addition removal, our method...
The first octahedral spherical hohlraum energetics experiment is accomplished at the SGIII laser facility. For time, 32 beams are injected into through six entrance holes. Two techniques used to diagnose radiation field of in order obtain comprehensive experimental data. flux streaming out holes measured by flat-response x-ray detectors (FXRDs) and four M-band detectors, which placed different locations target chamber. temperature derived from FXRD using blackbody assumption. peak inside...
Particle tracking systems, which function either as particle detectors or beam monitors, are the critical elements for high-intensity heavy-ion accelerator facility (HIAF) complex. The novel Topmetal-M pixel sensor, combines features of both monolithic active sensor (MAPS) and Topmetal can be used a detector nondestructive monitor. got its name some part pixel’s top metal layer is exposed to sense drifting charge. In this article, prototype system, named Hi’Beam-S, has been...
High-power laser facilities necessitate predicting incremental damage to final optics identify evolving trends. In this study, we propose a surface detection method utilizing image segmentation employing ResNet-18, and area estimation network U-Net++. Paired sets of online offline images obtained from large facility is used train the network. The trends varying could be identified by incorporating additional experimental parameters. A key advantage proposed that can trained end-to-end on...
A 50 × 10 mm3 monolithic gadolinium aluminum gallium garnet (Gd3Al2Ga3O12; GAGG):Ce crystal coupled to a 8 silicon photomultiplier (SiPM) array was developed; it showed very good system uniformity and high energy resolution of 7.4% at 662 keV. By using convolutional neural network-based positioning algorithm fan-beam calibration method, the detector achieved position ∼1.4 mm depth interaction ∼2 mm. Based on this high-performance detector, we developed coded aperture gamma camera. 1-mCi...
In this article, a noninterceptive and high-accuracy beam position monitor, named Hi'Beam-A, has been designed for the accelerator of heavy-ion therapy facility. The Hi'Beam-A consists detector subsystem readout subsystem. subsystem, microchannel plate multiplies ionized charge in high vacuum chamber, novel Topmetal silicon pixel sensor directly collects charge. processes data calculates position. Beam test results show that reaches an accuracy 5 μm. This article will present design,...
The temporal shape of laser pulses is one the essential performances in inertial confinement fusion (ICF) facility. Due to complexity and instability propagation system, it hard predict pulse shapes precisely by pure analytic methods based on physical model [Frantz-Nodvik (F-N) equation]. Here, we present a data-driven convolutional neural network (CNN) for precise prediction. introduces sixteen parameters neglected F-N equation models expand representation dimension. sensitivity analysis...
This work presents a novel stereo coded aperture gamma camera based on four detection modules placed within quadrants. Each module includes 48 × strips of Bi4Ge3O12 scintillators, 24 pieces silicon photomultipliers (SiPMs), and set data acquisition circuits. All signals from the SiPMs are individually extracted finally simplified into 144 outputs to calculate positions energies gamma-rays. Two masks modified uniformly redundant arrays fixed in front top-right bottom-left two anti-masks...
Edge devices, due to their limited computational and storage resources, often require the use of compilers for program optimization.Therefore, ensuring security reliability these is paramount importance in emerging field edge AI.One widely used testing method this purpose fuzz testing, which detects bugs by inputting random test cases into target program.However, process consumes significant time resources.To improve efficiency compiler it common practice utilize case prioritization...
This study investigated the association between photoreceptor structural restoration and visual function outcomes in patients undergoing surgery for closed macular holes (MHs). Using adaptive optics scanning laser ophthalmoscopy (AOSLO) microperimetry, we aimed to provide a more detailed understanding of recovery improvement MHs.