Mr. Leonid Alekseyev Profile

Leonid Alekseyev

Ph.D. student

SPIE Involvement:

Author

Publications (8)

Proceedings Article | 28 September 2007 Paper

Optical hyperlens: far-field imaging beyond the diffraction limit

Zubin Jacob, Leonid Alekseyev, Evgenii Narimanov

Proceedings Volume 6638, 66380W (2007) https://doi.org/10.1117/12.736318

KEYWORDS: Dielectrics, Wave propagation, Diffraction, Anisotropy, Metamaterials, Optical imaging, Near field optics, Image resolution, Near field scanning optical microscopy, Dispersion

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Proceedings Article | 28 September 2007 Paper

Semiclassical theory of hyperlensing and cloaking

Zubin Jacob, Leonid Alekseyev, Evgenii Narimanov

Proceedings Volume 6638, 66380L (2007) https://doi.org/10.1117/12.758756

KEYWORDS: Gaussian beams, Dielectrics, Laser scattering, Scattering, Diffraction, Metals, Geometrical optics, Magnetism, Metamaterials, Image resolution

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Proceedings Article | 8 September 2006 Paper

Optical hyperspace: negative refractive index and subwavelength imaging in anisotropic dielectric metamaterials

Evgenii Narimanov, Leonid Alekseyev, Zubin Jacob

Proceedings Volume 6328, 63280I (2006) https://doi.org/10.1117/12.680326

KEYWORDS: Near field optics, Dielectrics, Metamaterials, Refractive index, Diffraction, Dispersion, Optical imaging, Anisotropy, Near field scanning optical microscopy, Refraction

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Proceedings Article | 13 September 2005 Paper

Non-magnetic materials with negative refractive index

Evgenii Narimanov, Leonid Alekseyev, Viktor Podolskiy

Proceedings Volume 5924, 592406 (2005) https://doi.org/10.1117/12.620210

KEYWORDS: Dielectrics, Waveguides, Wave propagation, Imaging systems, Refractive index, Composites, Bismuth, Terahertz radiation, Negative refraction, Magnetism

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Proceedings Article | 18 August 2005 Paper

Composite materials with giant anisotropy and negative index of refraction

Viktor Podolskiy, Leo Alekseyev, Evgenii Narimanov

Proceedings Volume 5928, 59280C (2005) https://doi.org/10.1117/12.615292

KEYWORDS: Dielectrics, Composites, Refraction, Radio propagation, Waveguides, Anisotropy, Plasmonics, Wave propagation, Numerical analysis, Maxwell's equations

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Proceedings Article | 8 May 2001 Paper

Two-stage radar image despeckling based on local statistic Lee and sigma filtering

Vladimir Lukin, Nikolay Ponomarenko, Leonid Alekseyev, Vladimir Melnik, Jaakko Astola

Proceedings Volume 4304, (2001) https://doi.org/10.1117/12.424967

KEYWORDS: Image filtering, Digital filtering, Radar, Speckle, Optical filters, Image processing, Synthetic aperture radar, Statistical analysis, Numerical simulations, Gaussian filters

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