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pro vyhledávání: '"Władysław Żakowicz"'
Particle acceleration by wave scattering off dielectric spheres at whispering-gallery-mode resonance
Autor:
Władysław Żakowicz
Publikováno v:
Physical Review Special Topics. Accelerators and Beams, Vol 10, Iss 10, p 101301 (2007)
The large electromagnetic fields, created in wave scattering near a perfect dielectric sphere at the condition of whispering-gallery-mode resonances, are investigated as driving units for high energy charged particle accelerators. For optimal traject
Externí odkaz:
https://doaj.org/article/fade8a5124844157a8e0fbd5d317c833
Autor:
Władysław Żakowicz
Publikováno v:
Acta Physica Polonica A. 101:369-385
The extinction paradox, the difference of classical and quantum scattering cross-sections for the scattering of particles by a rigid sphere (σ Q = 2πa 2 = 2σ C for ka » 1), is analyzed in a simpler 2D model of a rigid cylindrical potential. Rigor
Autor:
Władysław Żakowicz
Publikováno v:
Acta Physica Polonica A. 101:119-131
Spontaneous radiation by atoms in the presence of the planar dielectric-vacuum interface, planar dielectric waveguides and cylindrical dielectric waveguides are discussed in the frame of cavity quantum electrodynamics in full analogy with that in fre
Autor:
Władysław Żakowicz
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 445:313-316
A segmented waveguide formed by a periodic system of pairs of wedge prisms with a gap between them is proposed. The prisms are made of single-crystal sapphire for which the refraction index ν 2 laser radiation ( λ=10.6 μm ). The attenuation of 0.1
Autor:
Arkadiusz Orłowski, Władysław Żakowicz
Publikováno v:
Foundations of Physics. 28:601-609
A fully quantum-mechanical description of the spontaneous emission from an excited two-level atom placed in front of a two-slit interferometer is given. Global modes of the electromagnetic field in a two slit system are derived within the Kirchhoff-H
Publikováno v:
Acta Physica Polonica A. 86:279-286
Autor:
Władysław Żakowicz
Publikováno v:
Physical Review Letters. 97
Autor:
Władysław Żakowicz
Publikováno v:
Physical Review E. 64
An interpretation of focusing and image formation on scattering of electromagnetic waves by a dielectric cylinder (a cylindrical lens) is proposed on the basis of the full Maxwell theory. It is centered on analysis of the behavior of integral curves
Autor:
Władysław Żakowicz, Maciej Janowicz
Publikováno v:
Scopus-Elsevier
Spontaneous emission of photons by an atom placed near a dielectric cylindrical waveguide at an arbitrary position is analyzed using global free electromagnetic modes, satisfying necessary continuity conditions at the slab boundaries. These modes inc
Autor:
Władysław Żakowicz
Publikováno v:
EPL (Europhysics Letters). 85:40001
A finite-width Gaussian-like beam scattered by a hard and dielectric sphere is shown to be well approximated by a superposition of plane waves, intersecting at small angles and scattered by the sphere. Thus in the presented model, the scattering resu