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The ideal imaging system would efficiently capture information about all fundamental properties light: intensity, direction, wavelength, and polarization. Most common imaging systems only map the spatial degrees of freedom of light onto a…

光学 · 物理学 2023-01-26 Conner Ballew , Gregory Roberts , Andrei Faraon

A coupled dielectric-metal metasurface (CDMM) consisting of amorphous silicon (a-$\textit{Si}$) rings and subwavelength holes in $\textit{Au}$ layer separated by a $\textit{SiO}_{2}$ layer is presented. The design parameters of the CDMM is…

光学 · 物理学 2020-01-08 Arvind Nagarajan , Koen van Erve , Giampiero Gerini

In the study of nonlinear inverse scattering problems (ISPs), the traditional method for estimating the number of degrees of freedom (NDoF) of the scattered field does not consider the effect of the scatterer contrast. In this work, we…

计算物理 · 物理学 2022-12-20 Zhichao Lin , Rui Guo , Tao Shan , Maokun Li , Fan Yang , Shenheng Xu , Aria Abubakar

In the regime of wavefront shaping (WFS) techniques, both the transmission matrix (TM) methods and a recently proposed third-order correlation of light fields (TCLF) method are effective in overcoming light scattering. This letter details…

光学 · 物理学 2024-07-22 Feixiang Ren , Haoyi Zuo

Poor resolution of ultrasound images due to convolution of the tissue reflectivity function (TRF) with the system point spread function (PSF) is a major issue in medical ultrasound imaging. In this paper, we propose a correlation…

信号处理 · 电气工程与系统科学 2018-06-08 Jayanta Dey , Md. Kamrul Hasan

Monocular surface normal estimators trained on large-scale RGB-normal data often perform poorly in the edge cases of reflective, textureless, and dark surfaces. Polarization encodes surface orientation independently of texture and albedo,…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Irene Kim , Sai Tanmay Reddy Chakkera , Alexandros Graikos , Dimitris Samaras , Akshat Dave

The polarization- and angle- resolved optical response of the anapole mode in silicon nano-disks array have been experimentally and theoretically investigated. The good agreement betweenmeasured data and simulations yields to a consistent…

介观与纳米尺度物理 · 物理学 2021-02-24 Lucia Fornasari , Marco Passoni , Franco Marabelli , Yuyao Chen , Yu Wang , Luca Dal Negro

We present an improved calculation of the freeze-in production rate for scalar dark matter (DM) from a gauge-charged parent particle via a renormalizable interaction. Building on the previously developed 1PI-resummed framework to accurately…

高能物理 - 唯象学 · 物理学 2025-06-16 Mathias Becker , Maria Jose Fernandez Lozano , Julia Harz , Carlos Tamarit

Ellipsometry techniques allow to measure polarization information of materials, requiring precise rotations of optical components with different configurations of lights and sensors. This results in cumbersome capture devices, carefully…

图形学 · 计算机科学 2023-02-09 Inseung Hwang , Daniel S. Jeon , Adolfo Muñoz , Diego Gutierrez , Xin Tong , Min H. Kim

Relating the electromagnetic scattering and absorption properties of an individual particle to the reflection and transmission coefficients of a two-dimensional material composed of these particles is a crucial concept that has driven both…

光学 · 物理学 2019-10-02 Romain Dezert , Philippe Richetti , Alexandre Baron

We analyze the redshift evolution of the Rotation Measure (RM) in Taylor et al. (2009) dataset, which is based on NVSS radio data at 21 cm, and compare with results from our previous work (Kronberg et al. (2008), Bernet et al.…

宇宙学与河外天体物理 · 物理学 2015-06-11 M. L. Bernet , F. Miniati , S. J. Lilly

Atomically thin transition metal dichalcogenides (TMDs) possess a number of properties that make them attractive for realizing room-temperature polariton devices. An ideal platform for manipulating polariton fluids within monolayer TMDs is…

It is generally assumed that magnetic fields play an important role in the formation and evolution of protoplanetary disks. One way of observationally constraining magnetic fields is to measure polarized emission and absorption produced by…

太阳与恒星天体物理 · 物理学 2020-03-04 Stefan Heese , Sebastian Wolf

In this paper we present a Deformable Mirror (DM) based on the continuous voltage distribution over a resistive layer. This DM can correct the low order aberrations (defocus, astigmatism, coma and spherical aberration) using three…

光学 · 物理学 2015-05-18 Stefano Bonora

The symmetrized Density-Matrix-Renormalization-Group (DMRG) method is used to study linear and nonlinear optical properties of Free base porphine and metallo-porphine. Long-range interacting model, namely, Pariser-Parr-Pople (PPP) model is…

介观与纳米尺度物理 · 物理学 2015-05-30 Manoranjan Kumar , Y. Anusooya Pati , S. Ramasesha

The design and performance of a wide bandwidth linear polarization modulator based on the Faraday effect is described. Faraday Rotation Modulators (FRMs) are solid-state polarization switches that are capable of modulation up to ~10 kHz.…

A particular instance of the inverse magnetisation problem is considered. It is assumed that the support of a magnetic sample (a source term in the Poisson equation in $\mathbb{R}^3$) is contained in a bounded planar set parallel to the…

偏微分方程分析 · 数学 2024-11-15 Dmitry Ponomarev

The formally exact framework of equilibrium Density Functional Theory (DFT) is capable of simultaneously and consistently describing thermodynamic and structural properties of interacting many-body systems in arbitrary external potentials.…

We give uniqueness theorem and reconstruction algorithm for the nonlinearized problem of finding the dielectric anisotropy f of the medium from non-overdetermined polarization tomography data. We assume that the medium has uniform…

数学物理 · 物理学 2015-05-13 Roman Novikov

Group-theoretical analysis of arbitrary polarization devices is performed, based on the theory of the Lorentz group. In effective "non-relativistic" Mueller case, described by 3-dimensional orthogonal matrices, results of the one…

数学物理 · 物理学 2010-05-25 V. M. Red'kov , E. M. Ovsiuyk
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