Automated Hall effect measurements using the van der Pauw method within the physical property measurement system (PPMS) [0.03%]
基于物理性质测量系统的Van der Pauw方法自动化霍尔效应测试
Ebrahim Dib,Mário Sérgio da Luz,Fábio Santos Alves Abud et al.
Ebrahim Dib et al.
We report the development of a custom instrumentation approach for Hall resistivity measurements in the widely available commercial apparatus Physical Property Measurement System (PPMS) from Quantum Design, using the van der Pauw (vdP) meth...
High-energy, narrow-linewidth, pulsed 1083 nm laser system for metastable helium lidar [0.03%]
高能窄线宽脉冲1083nm激光器系统用于氦原子亚稳态 Lidar
Zhaofeng Wang,Jieqiong Gu,Ruocan Zhao et al.
Zhaofeng Wang et al.
We present a high-energy, narrow-linewidth, pulsed 1083 nm laser source designed for ground-based metastable helium (He in the 23S state) fluorescence lidar systems to probe the thermosphere and lower exosphere. The system is pumped by a ne...
Approaches to enhance temperature uniformity in alkali vapor cells for thermal atomic ensemble spin sensors [0.03%]
提高碱金属蒸汽单元中温度均匀性的方法在热原子集合自旋传感器中的应用
Yefan Zhu,Jie Sun,Kun Huang et al.
Yefan Zhu et al.
Temperature is one of the key factors influencing the performance of thermal atomic ensemble spin sensors, including aspects such as temperature gradients, temperature uniformity, and temperature stability. Fluctuations in the temperature o...
Evolution of lattice temperature in GaAs photoconductive semiconductor switch employing extrinsic photoconductivity [0.03%]
掺杂型GaAs光电半导体开关晶格温度的演化
Jinhong Wei,Youjie Yan,Song Li et al.
Jinhong Wei et al.
The evolution of lattice temperature inside an opposed-contact gallium arsenide photoconductive semiconductor switch (PCSS) employing extrinsic photoconductivity is investigated, based on a temperature-dependent "two-channel" model. It is f...
Magnetic signal scan imaging system based on giant magnetoimpedance (GMI) differential sensor [0.03%]
基于巨磁阻抗(GMI)差分传感器的磁信号扫描成像系统
Tao Yang,Zhoulu Yu,Xuekui Xi et al.
Tao Yang et al.
This paper presents the design and implementation of a magnetic signal scanning and imaging system based on the giant magnetoimpedance (GMI) effect. The system employs a pair of performance-matched GMI sensing elements configured as a diffe...
Hiroshi Daimon,Hiroki Momono,Hiroyuki Matsuda et al.
Hiroshi Daimon et al.
The precise determination of three-dimensional (3D) atomic coordinates is the cornerstone of materials analysis, but conventional transmission electron microscopy is limited to visualizing only two-dimensional projections. The direct observ...
Design of a scattering-assisted thick pinhole imaging system for indirect spatially resolved diagnosis of intense pulsed gamma radiation fields [0.03%]
一种散射辅助的厚孔径成像系统的设计及强脉冲γ辐射场的间接空间分辨诊断方法研究
Xubin Zhang,Zhongliang Li,Mingfei Yan et al.
Xubin Zhang et al.
Spatially resolved diagnosis of intense pulsed gamma radiation fields is important for characterizing both the intrinsic non-uniformity of the radiation field and the local irradiation conditions. However, under high transient dose-rate con...
A 400-m polarization-maintaining optical fiber delivery system with a commercial wavelength meter for laser cooling of radioactive Fr [0.03%]
具有商用波长计的保偏光纤传输系统用于激光冷却放射性 francium原子
Keisuke Nakamura,Shintaro Nagase,Teruhito Nakashita et al.
Keisuke Nakamura et al.
We developed a 400-m polarization-maintaining optical fiber delivery system for magneto-optical trapping of radioactive Fr atoms at RIKEN in Japan. The optical system is useful for the precise studies of the electron's electric dipole momen...
A compact in situ polarized 3He neutron spin filter for the diffractometer VULCAN at the Spallation Neutron Source [0.03%]
中子散射装置VULCAN上的新型微型原位极化3He中子自旋滤波器
S Fu,C Jiang,D Yu et al.
S Fu et al.
We have built and commissioned a compact in situ3He polarizer based on spin-exchange optical pumping for the engineering materials diffractometer, named VULCAN, at the Spallation Neutron Source (SNS) at Oak Ridge National Laboratory. The sy...
Stephan Friedrich
Stephan Friedrich
Superconducting tunnel junctions (STJs) can be used as radiation detectors that combine the high energy resolution of cryogenic sensors with the high speed of nonthermal devices. STJ detectors were initially developed for x-ray astronomy an...