中文
相关论文

相关论文: Correcting the Polarization Leakage Phases and Amp…

200 篇论文

Heterodyne receivers register the sky signal on either a circular polarization basis (where it is split into left-hand and right-hand circular polarization) or a linear polarization basis (where it is split into horizontal and vertical…

天体物理仪器与方法 · 物理学 2016-03-09 Ivan Marti-Vidal , Alan Roy , John Conway , Anton J. Zensus

Faraday rotation of polarised background sources is a unique probe of astrophysical magnetic fields in a diverse range of foreground objects. However, to understand the properties of the polarised sources themselves and of depolarising…

Transmission matrix measurements of multimode fibers are now routinely performed in numerous labs, enabling control of the electric field at the distal end of the fiber and paving the way for the potential application to ultrathin medical…

光学 · 物理学 2024-06-04 Erin S. Lamb , Tristan Kremp , David J. DiGiovanni , Paul S. Westbrook

We describe a nonlinear interferometric setup to perform a complete optical Bell measurement, i.e. to unambigously discriminate the four polarization entangled EPR-Bell photon pairs. The scheme is robust against detector inefficiency.

量子物理 · 物理学 2009-10-31 MGA Paris , M Plenio , D Jonathan , S Bose , GM D'Ariano

We demonstrate a polarimetry technique based on geometric phase measurements. The technique can be used to obtain either the polarization state of a light beam or the properties of a polarizing optical system. On the one hand, we apply our…

This article gives an analysis of the behavior of polarizing grids and reflecting polarizers by solving Maxwell's equations, for arbitrary angles of incidence and grid rotation, for cases where the excitation is provided by an incident…

Experimental Stokes vector spectroscopy characterizes polarization state noise in nonlinear fiber transmission. Noise bandwidths of a few MHz are observed from XPM-blurred receive SOPs using a polarization scrambling interferometer. This…

信号处理 · 电气工程与系统科学 2019-06-04 Lothar Moeller

We review the tools and procedures for the analysis of the data collected by X-ray photoelectric gas polarimeters, like the ones on-board the Imaging X-ray Polarimetry Explorer (IXPE). Although many of such tools are in principle common…

天体物理仪器与方法 · 物理学 2023-04-05 Fabio Muleri

Influence of hole shape on extraordinary optical transmission was investigated using hole arrays consisting of rectangular holes with different aspect ratio. It was found that the transmission could be tuned continuously by rotating the…

光学 · 物理学 2009-11-13 Xi-Feng Ren , Pei Zhang , Guo-Ping Guo , Yun-Feng Huang , Zhi-Wei Wang , Guang-Can Guo

A key challenge in dual-polarized multiplexing for joint radar and communication (JRC) systems is cross-polarization (cross-pol) leakage caused by depolarization. In conventional MIMO systems, depolarization arises solely from the channel;…

信号处理 · 电气工程与系统科学 2025-03-28 Ahmed Naeem , Liza Afeef , Huseyin Arslan

Light's polarisation contains information about its source and interactions, from distant stars to biological samples. Polarimeters can recover this information, but reliance on birefringent or rotating optical elements limits their…

仪器与探测器 · 物理学 2018-08-21 Ryan D. Hawley , John Cork , Neal Radwell , Sonja Franke-Arnold

Population of levels of the hyperfine and fine split ground state of an atom is affected by radiative transitions induced by anisotropic radiation flux. Such aligned atoms precess in the external magnetic field and this affects properties…

天体物理学 · 物理学 2007-05-23 Huirong Yan , A. Lazarian

Matter inhomogeneities along the line of sight deflect the cosmic microwave background (CMB) photons originating at the last scattering surface at redshift $z \sim 1100$. These distortions modify the pattern of CMB polarization. We identify…

天体物理学 · 物理学 2009-10-31 Jacek Guzik , Uros Seljak , Matias Zaldarriaga

We present configurations of polarimeters which measure the three linear Stokes parameters of the Cosmic Microwave Background Radiation with a nearly diagonal error matrix, independent of the global orientation of the polarimeters in the…

天体物理学 · 物理学 2011-05-23 F. Couchot , J. Delabrouille , J. Kaplan , B. Revenu

Focused laser fields with textured polarization on a sub-wavelength scale allow extracting information on electronic processes which are not directly accessible by homogeneous fields. Here, we consider photoionization in radially and…

原子物理 · 物理学 2021-06-30 Jonas Wätzel , Jamal Berakdar

Leakage of polarized Galactic diffuse emission into total intensity can potentially mimic the 21-cm signal coming from the epoch of reionization (EoR), as both of them might have fluctuating spectral structure. Although we are sensitive to…

天体物理仪器与方法 · 物理学 2018-02-28 K. M. B. Asad , L. V. E. Koopmans , V. Jelić , A. G. de Bruyn , V. N. Pandey , B. K. Gehlot

Polarization is a degree of freedom of light carrying important information that is usually absent in intensity and spectral content. Imaging polarimetry is the process of determining the polarization state of light, either partially or…

光学 · 物理学 2018-03-12 Ehsan Arbabi , Seyedeh Mahsa Kamali , Amir Arbabi , Andrei Faraon

New-generation X-ray polarimeters currently under development promise to open a new window in the study of high-energy astrophysical sources. Among them, neutron stars appear particularly suited for polarization measurements. Radiation from…

高能天体物理现象 · 物理学 2015-09-24 Roberto Taverna , Roberto Turolla , Denis Gonzalez Caniulef , Silvia Zane , Fabio Muleri , Paolo Soffitta

A number of popular measures of dependence between pairs of band-limited signals rely on analytic phase. A common misconception is that the dependence revealed by these measures must be specific to the spectral range of the filtered input…

神经元与认知 · 定量生物学 2018-03-26 Christopher K. Kovach

In a neutral particle gas detector, the parallax error resulting from the perpendicular projection on the detection plane or wire of the radial particle trajectories emanating from a point like source (such as a scattering sample) can…

仪器与探测器 · 物理学 2009-11-13 Patrick Van Esch