Ramsey oscillations typically exhibit an exponential decay envelope due to environmental noise. However,recent experiments have observed nonmonotonic Ramsey fringes characterized by beating patterns, which deviate fro...
Project supported by LingChuang Research Project of China National Nuclear Corporation;the National Natural Science Foundation of China(Grant No.12027812)。
Dual-phase and three-phase grating x-ray interference is a promising new technique for grating-based x-ray differential phase contrast imaging.Dual-phase grating interferometers have been relatively completely studied...
supported by the National Natural Science Foundation of China(NSFC,grant Nos.42172323 and 12371454)。
In source detection in the Tianlai project,locating the interferometric fringe in visibility data accurately will influence downstream tasks drastically,such as physical parameter estimation and weak source exploratio...
Guo Shou Jing Telescope(the Large Sky Area Multi-Object Fiber Spectroscopic Telescope)is a National Major Scientific Project built by the Chinese Academy of Sciences.Funding for the project has been provided by the National Development and Reform Commission;supported by the National Key R&D Program of China(Grant Nos.2022YFA1603002,2022YFA1603001,2021YFC2801402 and SQ2021YFC2800011);the National Natural Science Foundation of China(Grant Nos.U2031207,U1931207,12073053,and 1331204)。
Co-phase and co-focus detection is one of the key technologies for large-aperture segmented mirror telescopes.In this paper,a new edge sensor based on fringes of equal thickness is developed,which can detect each segm...
supported by a Grant-in-Aid for Scientific Research of KAKENHI,Japan Society for the Promotion of Science(Grant No.19H00750);J.R.acknowledges financial support from the Japanese Government through a MEXT scholarship.
Owls are widely known for their silent flight,which is attributed to their unique wing morphologies comprising leading-edge(LE)serrations,trailing-edge(TE)fringes,and a velvety surface.The aeroacoustic characteristics...
National Natural Science Foundation of China,Grant/Award Number:52073161;Tsinghua Initiative Scientific Research Program,Grant/Award Number:2021Z11GHX010。
Three-dimensional(3D)covalent organic frameworks(COFs)possess great potential applications in various fields.Constructing 3D COFs with large pore sizes is extremely challenging due to the interpenetration and collapse...
supported by the National Natural Science Foundation of China (Grant Nos. 52072030, 52071025, and 51871018);the Beijing Outstanding Young Scientists Projects (Grant No. BJJWZYJH01201910005018);Beijing Natural Science Foundation,China (Grant No. Z180014);the Science and Technology Innovation Team Program of Foshan (Grant No. FSOAA-KJ919-4402-0087);Beijing Laboratory of Metallic Materials and Processing for Modern Transportation。
A well-established method is highly desirable for growing topological insulator thin films with low carrier density on a wafer-level scale. Here, we present a simple, scalable method based on magnetron sputtering to o...
Intellectual property rights protection in China makes steady progressIn April,the Shanghai Intellectual Property Administration released 10 typical cases of intellectual property protection in the municipality in 202...
The present paper aims at making some observations on trade between the inhabitants of the Roman Empire and those dwelling outside its frontiers,but nevertheless living in the vicinity of Roman frontier zones.Using th...