نتایج جستجو برای: linear polarization

تعداد نتایج: 543404  

Journal: :Astronomy & Astrophysics 2005

2005
D. C. HOMAN M. L. LISTER

We report first-epoch circular polarization results for 133 active galactic nuclei in the MOJAVE program to monitor the structure and polarization of a flux limited sample of extra-galactic radio jets with the VLBA at 15 GHz. We found strong circular polarization (≥ 0.3%) in approximately 15% of our sample. The circular polarization was usually associated with jet cores; however, we did find a ...

2013
D. C. Homan M. L. Lister

We report first-epoch circular polarization results for 133 active galactic nuclei in theMOJAVE program tomonitor the structure and polarization of a flux-limited sample of extragalactic radio jets with the VLBA at 15 GHz.We found strong circular polarization ( 0.3%) in approximately 15% of our sample. The circular polarization was usually associated with jet cores; however, we did find a few s...

Journal: :Computer Graphics Forum 2021

Division-of-focal-plane (DoFP) polarization image sensors allow for snapshot imaging of linear effects with inexpensive and straightforward setups. However, conventional interpolation based reconstruction methods such produce unreliable noisy estimates quantities as Degree Linear Polarization (DoLP) or Angle (AoLP). In this paper, we propose a demosaicking algorithm by inverting the formation m...

Journal: :Optics letters 2014
Yanying Li Weidong Chen Haifeng Lin Da Ke Ge Zhang Yung-Fu Chen

We experimentally demonstrated the manipulation of 2 μm linearly polarized states in a diode-pumped YAG/Tm:YAG/YAG laser with high polarization extinction ratio of 28 dB for the very first time to the best of our knowledge. A stable linearly polarized state of 2 μm was achieved without using any specific intracavity optical polarization-selected elements. The unexpected phenomenon of tunable li...

2009
Lionel Vaux

We study an extension of Ehrhard–Regnier’s differential linear logic along the lines of Laurent’s polarization. We show that a particular object of the well-known relational model of linear logic provides a denotational semantics for this new system, which canonically extends the semantics of both differential and polarized linear logics: this justifies our choice of cut elimination rules. Then...

Journal: :Optics express 2006
M K Swami S Manhas P Buddhiwant N Ghosh A Uppal P K Gupta

The polarization properties of any medium are completely described by the sixteen element Mueller matrix that relates the polarization parameters of the light incident on the medium to that emerging from it. Measurement of all the elements of the matrix requires a minimum of sixteen measurements involving both linear and circularly polarized light. However, for many diagnostic applications, it ...

2017
Kim Woelders Johan Granholm

In recent years, there has been an increasing interest in dual linear polarization antennas for various purposes, e.g. polarimetric synthetic aperture radar (SAR) imaging. A key design goal for dual polarization antennas is to obtain a high cross-polarization suppression. When using standard techniques for improving the cross-polarization suppression in dual linear polarization antenna arrays u...

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