Results 161 to 170 of about 167,522 (285)
Laser &Photonics Reviews, Volume 20, Issue 3, 5 February 2026.A scattering‐robust 3D speckle customization method is proposed to enhance both resolution and imaging depth in scattering tissue. Applied to light‐field microscopy (LFM), it improves 3D resolution by over twofold under strong optical scattering. In wide‐field fluorescence imaging, it enables a substantial improvement in imaging depth, allowing imaging
Yue Xing +4 more
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Search for Dark Matter Using Levitated Nanoparticles Within a Bessel-Gaussian Beam via Yukawa Coupling. [PDF]
Sensors (Basel)Chowdhury IS +4 more
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Spectral Parameter Power Series Representation for Regular Solutions of the Radial Dirac System
Mathematical Methods in the Applied Sciences, Volume 49, Issue 3, Page 2098-2113, February 2026.ABSTRACT A spectral parameter power series (SPPS) representation for the regular solution of the radial Dirac system with complex coefficients is obtained, as well as a SPPS representation for the (entire) characteristic function of the corresponding spectral problem on a finite interval. Based on the SPPS representation, a numerical method for solving
Emmanuel Roque, Sergii M. Torba
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Explicit minimisers for anisotropic Riesz energies. [PDF]
Calc Var Partial Differ EquFrank RL +5 more
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Nanophotonics, Volume 15, Issue 3, 12 February 2026.Based on an all‐dielectric metasurface with cross‐phase modulation, we achieve the generation and polarization control of integers and fractional order irregular perfect vector vortex beams on the hybrid Poincaré sphere, opening a new avenue for optical field manipulation.
Xiaojie Sun +7 more
wiley +1 more source
Amos-type bounds for modified Bessel function ratios.
J Math Anal Appl, 2013 Hornik K, Grün B.
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Linear relations between E-functions and Bessel functions [PDF]
, 1954 F. M. Ragab
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Earth and Space Science, Volume 13, Issue 2, February 2026.Abstract The radar surface echo can be separated into coherent and incoherent components by statistical approaches, and the coherent component can be described by a backscattering model related to the RMS height. According to backscattering models for fractal surfaces, the coherent power in decibels decreases with RMS height on a scale independent of ...
Tiansheng Hong +9 more
wiley +1 more source