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The recent development of efficient chirality sorting techniques has opened the way to the use of single-walled carbon nanotubes (SWCNTs) in a plethora of nanoelectronic, photovoltaic, and optoelectronic applications. However, to understand…

介观与纳米尺度物理 · 物理学 2019-12-25 María Rosa Preciado-Rivas , Victor Alexander Torres-Sánchez , Duncan J. Mowbray

Knowledge of spatio-temporal couplings such as pulse-front tilt or curvature is important to determine the focused intensity of high-power lasers. Common techniques to diagnose these couplings are either qualitative or require hundreds of…

Accurately measuring the atmospheric coherence time is still an important problem despite a variety of applicable methods. The Multi-aperture scintillation sensor (MASS) designed for the vertical profiling of optical turbulence, also…

天体物理仪器与方法 · 物理学 2015-05-27 Victor Kornilov

This work investigates the detection of binary neutron stars gravitational wave based on convolutional neural network (CNN). To promote the detection performance and efficiency, we proposed a scheme based on wavelet packet (WP)…

天体物理仪器与方法 · 物理学 2023-12-27 Baijiong Lin , Xiangru Li , Woliang Yu

We perform a reanalysis of the BOSS CMASS DR12 galaxy dataset using a simulation-based emulator for the Wavelet Scattering Transform (WST) coefficients. Moving beyond our previous works, which laid the foundation for the first galaxy…

宇宙学与河外天体物理 · 物理学 2025-05-16 Georgios Valogiannis , Sihan Yuan , Cora Dvorkin

Aerosol scattering influences the retrieval of the column-averaged dry-air mole fraction of CO2 (XCO2) from the Orbiting Carbon Observatory-2 (OCO-2). This is especially true for surfaces with reflectance close to a critical value where…

大气与海洋物理 · 物理学 2022-01-26 Sihe Chen , Vijay Natraj , Zhao-Cheng Zeng , Yuk-ling Yung

We study the two-photon scattering processes in a one-dimensional waveguide coupled to a two- or three-level giant atom, respectively. The accumulated phase shift between the two coupling points can be utilized to alter the scattering…

量子物理 · 物理学 2023-11-30 Wenju Gu , He Huang , Zhen Yi , Lei Chen , Lihui Sun , Huatang Tan

We present in this work the calibration procedure and a performance study of long scintillator bars used for the time-of-flight (TOF) measurement in the HADES experiment. The digital front-end electronics installed at the TOF detector…

仪器与探测器 · 物理学 2021-03-15 G. Kornakov , L. Chlad , J. Friese , T. Galatyuk , A. Kugler , J. Markert , J. Michel , J. Pietraszko , O. Svoboda , P. Tlusty , M. Traxler

The term wavefront sensor refers to the entire class of devices capable of measuring the optical wavefront of the incoming beam. Although numerous solutions have been proposed so far, recent advances in structured light have opened new…

A novel data-processing method was developed to facilitate scintillation detector characterization. Combined with fan-beam calibration, this method can be used to quickly and conveniently calibrate gamma-ray detectors for SPECT, PET,…

仪器与探测器 · 物理学 2021-06-24 Xin Li , Li Tao , Craig S. Levin , Lars R. Furenlid

Stellar spectropolarimetry is a relatively new remote sensing tool for exploring stellar atmospheres and circumstellar environments. We present the results of our HiVIS survey and a multi-wavelength ESPaDOnS follow-up campaign showing…

天体物理仪器与方法 · 物理学 2015-03-17 D. M. Harrington , J. R. Kuhn

Shack-Hartmann wavefront sensors using wound fibre bundles are desired for multi-object adaptive optical systems to provide large multiplex positioned by Starbugs. The use of the large-sized wound fibre bundle provides the exibility to use…

天体物理仪器与方法 · 物理学 2018-04-11 Jessica R. Zheng , Michael Goodwin , Jon Lawrence

Copper nanowires are widely used as on-chip interconnects due to superior conductivity. However, with aggressive Cu interconnect scaling, the diffusive surface scattering of electrons drastically increases the electrical resistivity. In…

A Copper-Zinc-Tin-Sulphide (CZTS)based solar cell with a modified ce3ll configuration of Mo/SnS/CZTS/SnS2/ZnO is simulated using SCAPS. An SnS2 buffer layer is used in simulation instead of the standard CdS layer. An additional back surface…

材料科学 · 物理学 2015-10-20 Atul Kumar , Ajay D. Thakur

The observation of the advancing and retreating pattern of polar sea ice cover stands as a vital indicator of global warming. This research aims to develop a robust, effective, and scalable system for classifying polar sea ice as…

计算机视觉与模式识别 · 计算机科学 2024-03-21 Jurdana Masuma Iqrah , Wei Wang , Hongjie Xie , Sushil Prasad

The performance of adaptive optics systems is partially dependant on the algorithms used within the real-time control system to compute wavefront slope measurements. We demonstrate use of a matched filter algorithm for the processing of…

Laser guide star (LGS) wave-front sensing (LGSWFS) is a key element of tomographic adaptive optics system. However, when considering Extremely Large Telescope (ELT) scales, the LGS spot elongation becomes so large that it challenges the…

We present estimates of the N-point galaxy area-averaged angular correlation functions wN for N = 2,...,7 from the third data release of the Sloan Digital Sky Survey (SDSS). The sample was selected from galaxies with 18 < r < 21, and is the…

天体物理学 · 物理学 2008-11-26 Ashley J. Ross , Robert J. Brunner , Adam D. Myers

Super-resolution (SR) refers to a combination of optical design and signal processing techniques jointly employed to obtain reconstructed wave-fronts at a higher-resolution from multiple low-resolution samples, overcoming the intrinsic…

The subsequent observing runs of the advanced gravitational-wave detector network will likely provide us with various gravitational-wave observations of binary neutron star systems. For an accurate interpretation of these detections, we…

广义相对论与量子宇宙学 · 物理学 2022-08-17 Maximiliano Ujevic , Alireza Rashti , Henrique Gieg , Wolfgang Tichy , Tim Dietrich