Results 21 to 30 of about 18,872 (217)
The Astrophysical Journal Letters, 2023 We report Atacama Large Millimeter/submillimeter Array (ALMA) polarization observations at 3 and 0.9 mm toward the GG Tau A system. In the ring, the percentage is relatively homogeneous at 3 mm, being 1.2%, while it exhibits a clear radial variation at 0.
Ya-Wen Tang +9 more
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Radially polarized twisted partially coherent vortex beams
Optics Express, 2022 We introduce a new type of partially coherent vector beam, named the radially polarized twisted partially coherent vortex (RPTPCV) beam. Such a beam carries the twist phase and the vortex phase simultaneously, and the initial state of polarization (SOP) is radially polarized.
Leixin, Liu +6 more
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A minimal subwavelength focal spot for the energy flux
Компьютерная оптика, 2021 It is shown theoretically and numerically that circularly and linearly polarized incident beams produce at the tight focus identical circularly symmetric distributions of an on-axis energy flux.
S.S. Stafeev, V.D. Zaicev
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IEEE Photonics Journal, 2012 A radially periodic slab waveguide grating of concentric circular lines composed of a corrugated quartz substrate and a ZnS waveguiding layer under the condition of normal incidence $ \hbox{TE}_{0}$ mode coupling at the 442-nm wavelength of a circularly ...
Yves Jourlin +5 more
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Fully symmetric diffraction-interference beam shaper for radially polarized light on a 1530-nm wavelength [PDF]
Компьютерная оптика, 2019 A completely symmetrical scheme of a shaper of cylindrical vector beams is proposed in which two diffractive axicons and an interference polarizer placed in-between form a sandwich structure of the smallest possible thickness. The design and experimental
Vladimir Podlipnov +2 more
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Nanomaterials, 2022 Ultrashort pulse lasers have significant advantages over conventional continuous wave and long pulse lasers for the texturing of metallic surfaces, especially for nanoscale surface structure patterning.
Mathieu Maalouf +8 more
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Properties of Magnetic Field Fluctuations in Long-Lasting Radial IMF Events from Wind Observation
Atmosphere, 2022 Long-lasting radial interplanetary magnetic field (IMF) intervals in which IMF points along the solar wind velocity for several hours have many interesting properties.
Gilbert Pi +5 more
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Компьютерная оптика, 2021 Spatial intensity distributions of the Laguerre-superGauss modes (1,0) as well as a super-Gaussian beam with radial and circular polarization were investigated versus changes in the height of a diffractive axicon.
D.A. Savelyev
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Longitudinal polarized focusing of radially polarized sinh-Gaussian beam
Optics Express, 2013 We consider the focusing performance of a radially polarized sinh-Gaussian beam. The sinh-Gaussian beam can be considered as superposition of a series of eccentric Gaussian beam. Based on the Richards-Wolf formulas, high beam quality and subwavelength focusing are achieved for the radially polarized incident sinh-Gaussian beam. Therefore, sinh-Gaussian
Jie, Lin +4 more
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Partially coherent radially polarized fractional vortex beam
Optics Express, 2020 A new kind of partially coherent vector beam, named a partially coherent radially polarized fractional vortex (PCRPFV) beam, is introduced as a natural extension of the recently introduced scalar partially coherent fractional vortex beams [Zeng et al., Opt. Express 26, 26830 (2018)10.1364/OE.26.026830]. Realizability conditions and propagation formulas
Jun Zeng +6 more
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