Explanipedia

In-orbit experiment of 48-hour error-free FSO communication enabled by an effective DFS compensation in a cross-orbital satellite link Open

Jiacheng Meng, Jing Feng, Tingting Wei, Junxia Wu, Yuanchen He , et al. · 2025

Inter-satellite optical wireless communications (ISOWC) has emerged as an enabling technology for next-generation satellite internet constellations and so has attracted a great of deal interest from the research community. However, establi…

Exploring the nonlinear piezoresistive effect of 4H-SiC and developing MEMS pressure sensors for extreme environments Open

Chen Wu, Xudong Fang, Qiang Kang, Ziyan Fang, Junxia Wu , et al. · 2023

Microelectromechanical system (MEMS) pressure sensors based on silicon are widely used and offer the benefits of miniaturization and high precision. However, they cannot easily withstand high temperatures exceeding 150 °C because of intrin…

Two-stage frequency compensation for Doppler shift on BPSK transceiver with LDPC codes for free-space optical communication systems Open

Jiacheng Meng, Tingting Wei, Yufei Wang, Zhaofeng Bai, Junxia Wu , et al. · 2023

The deployment of low earth orbits is seen as a promising way of enlarging data capacities as well as high data rates. Catering to these interests, optical communication presents possible ways of larger bandwidth than microwave communicati…

Study on the longitudinal capture efficiency of a CW heavy-ion Linac Open

Qiyu Kong, Xuejun Yin, Zhongshan Li, Peng Jin, Heng Du , et al. · 2022

Purpose The continuous-wave (CW) linear accelerator, SSC-Linac, has been put into operation successfully as the new injector of Separate Sector Cyclotron (SSC) for Heavy Ion Research Facility in Lanzhou (HIRFL). The SSC-Linac is operated a…

Pre-launch characterization of the spectrometer of Hard X-ray Imager (HXI) onboard the ASO-S mission Open

Wei Liu, Zhaohui Zhang, Junxia Wu, T. Ma, Yonggang Zhang , et al. · 2022

As one of the three payloads of the Advanced Space-based Solar Observatory (ASO-S), the pre-launch characterization of HXI includes the characterization of the collimator and the spectrometer. This article focuses on the pre-launch charact…

Co2 Methanation Over Ni/Al2o3-Zro2 Catalysts: Optimizing Metal-Oxide Interfaces by Calcinating-Induced Phase Transformation of Support Open

Hongwei Wang, Junxia Wu, Yali Bao, Huicong Feng, Jinrong Liu , et al. · 2022

Asymmetric Flow Control in a Slab Mold through a New Type of Electromagnetic Field Arrangement Open

Yanming Bao, Zhuang Li, Lintao Zhang, Junxia Wu, Danzhu Ma , et al. · 2021

This research aims to investigate the control effect of asymmetric flow in a slab mold using a novel magnetic field arrangement: freestanding adjustable combination electromagnetic brake (FAC-EMBr). Three scenarios (submerged entry nozzle …

Investigation of factors affecting vertical sag of stretched wire Open

Jiandong Yuan, Junxia Wu, Bin Zhang, Yuan He, Junhui Zhang , et al. · 2021

Stochastic Cooling Pickup/Kicker Developments for the High-Precision Spectrometer Ring in the HIAF Project at IMP Open

G.Y. Zhu, Junxia Wu, F. Caspers, Ze Du, Yuan Wei , et al. · 2020

Stochastic cooling of the Spectrometer Ring (SRing) at the High Intensity heavy-ion Accelerator Facility (HIAF) project in China, which is used mainly for experiments with radioactive fragment beams, is applied to speed up the cooling proc…

Development of a Pepper Pot probe to measure the Four-dimensional emittance of low energy beam of electron cyclotron resonance ion source at IMP Open

Xing Fang, L. T. Sun, Youjin Yuan, Yao Yang, C. Qian , et al. · 2020

The ion beams extracted from an Electron Cyclotron Resonance (ECR) ion source always exist strong transverse coupling effect that is caused by the field of the axis mirror magnets and the extraction solenoid. In order to obtain the four-di…

Present status of HIRFL complex in Lanzhou Open

Youjin Yuan, Daqing Gao, L. Z., Lijun Mao, R. S. Mao , et al. · 2020

Heavy Ion Research Facility in Lanzhou (HIRFL) is a cyclotron, synchrotron and storage ring accelerator complex, which accelerates ions of hydrogen to uranium from low to medium energy. Since the complete of HIRFL-CSR project in 2008, unde…

Stochastic cooling simulation of rare isotope beam and its secondary beam Open

Xuejing Hu, Junxia Wu, G.Y. Zhu, Zhiheng Du, Youjin Yuan · 2020

Stochastic cooling is a broadband feedback system, which is very effective for reducing the beam size without beam loss [1]. It has advantage over electron cooling in cooling low intensity beam with large emittance and momentum spread, and…

Direct Experimental Observation of the Gas Filamentation Effect using a Two-bunch X-ray FEL Beam Open

Y. C. Feng, Donald W. Schafer, Sang-He Song, Y. Sun, Deyan Zhu , et al. · 2017

We report the experimental observation of the filamentation effect in gas devices designed for X-ray Free-electron Lasers. The measurements were carried out at the Linac Coherent Light Source on the X-ray Correlation Spectroscopy (XCS) ins…

Status and Upgrades of HIRFL Open

Youjin Yuan, Daqing Gao, Peng Li, S. Litvinov, Yu. A. Litvinov , et al. · 2016

The Heavy Ion Research Facility at Lanzhou (HIRFL) is the only one large scale heavy ion accelerator complex that uses cyclotron (SFC and SSC) as injector, synchrotron (CSRm) for accumulation and post acceleration, storage ring (CSRe) for …

Progress of laser cooling of <sup>12</sup>C<sup>3+</sup> ions at the CSRe Open

H B Wang, X. Ma, W.Q. Wen, Z. K. Huang, D C Zhang , et al. · 2015

We have performed a test run for laser cooling experiments with ¹²C³⁺ ion beams at an energy of 122 MeV/u at the CSRe with a pulsed laser. During this beamtime a lot of progress have been made. This was the first time we could successfully…

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