Dr. Ekaterina A. Efremova Profile

Dr. Ekaterina A. Efremova

Assistant Lecturer at ITMO Univ

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Author

Publications (10)

Proceedings Article | 23 November 2024 Paper

Waveguide regimes in a pair of optically coupled non-Hermitian subwavelength structures

E. Efremova, I. Krylov, U. Prokhorova, E. Shalymov, V. Shoev, V. Yu. Venediktov, A. Zinchik

Proceedings Volume 13240, 1324008 (2024) https://doi.org/10.1117/12.3036329

KEYWORDS: Optical transmission, Refractive index, Optical gratings, Waveguides, Reflection, Waveguide modes, Reflectivity, Quantum optics, Magnetism, Spectral response

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Proceedings Article | 30 November 2023 Paper

Parity-time symmetry mode of coupled subwavelength silicon rectangular gratings

Igor Krylov, Uliana Prokhorova, Vasiliy Stolyarov, Ekaterina Efremova, Alexander Zinchik, Egor Shalymov, Vladislav Shoev, Dmitriy Masygin, Vladimir Yu. Venediktov

Proceedings Volume 12773, 127730T (2023) https://doi.org/10.1117/12.2687284

KEYWORDS: Reflection, Diffraction gratings, Polarization, Optical gratings, Optical transmission, Refractive index, Silicon, Waveguides, Diffraction, Transmittance

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Proceedings Article | 28 November 2023 Paper

Prototype of a metasurface scale for an optical rotation angle sensor

E. Efremova, U. Prokhorova, E. Shalymov, V. Shoev, V. Stolyarov, M. Nevzorov, V. Venediktov

Proceedings Volume 12773, 1277307 (2023) https://doi.org/10.1117/12.2686514

KEYWORDS: Sensors, Prototyping, Tantalum, Oxides, Manufacturing, Photodetectors, Polarization, Etching, Dielectric polarization, Power meters

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Proceedings Article | 28 November 2023 Paper

Application of PT-symmetry in metasurfaces for measuring the inclination angle

E. Efremova, I. Krylov, U. Prokhorova, E. Shalymov, V. Shoev, V. Yu. Venediktov, A. Zinchik

Proceedings Volume 12773, 1277306 (2023) https://doi.org/10.1117/12.2686512

KEYWORDS: Reflection, Refractive index, Sensors, Diffraction gratings, Dielectrics, Optical properties, Diffraction, Optical transmission, Waveguides, Waveguide modes

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Proceedings Article | 19 December 2022 Presentation + Paper

Spectral characteristics of coupled gratings at PT-symmetry and its destruction

E. Efremova, I. Krylov, U. Prokhorova, E. Shalymov, V. Shoev, V. Yu. Venediktov, A. Zinchik

Proceedings Volume 12321, 123210O (2022) https://doi.org/10.1117/12.2643054

KEYWORDS: Refractive index, Diffraction gratings, Transmittance, Silicon, Reflectivity, Physics, Dielectrics, Waveguide modes, Magnetism, Glasses

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Proceedings Article | 10 October 2020 Presentation + Paper

Application of metasurface to inclination angle measurement

Ekaterina Efremova, Egor Shalymov, Vladimir Yu. Venediktov, Anastasia Venediktova, Alexander Zinchik

Proceedings Volume 11554, 115540I (2020) https://doi.org/10.1117/12.2573682

KEYWORDS: Nanostructuring, Optical filters, Bandpass filters, Inverse problems, Sensors, Dielectrics, Computer simulations

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Proceedings Article | 10 October 2020 Poster + Presentation + Paper

Form of the resonant reflection (transmission) line of optically thin dielectric gratings with different filling coefficients

V. Shoev, E. Efremova, A. Zinchik, I. Krylov, U. Prokhorova, E. Shalymov, S. Vergeles, V. Yu. Venediktov

Proceedings Volume 11556, 115560T (2020) https://doi.org/10.1117/12.2573648

KEYWORDS: Dielectrics, Refractive index, Shape analysis, Optical filters

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Proceedings Article | 20 November 2019 Paper

Measurement of rotation angle by response of nanostructured metasurfaces

Alexander Boronakhin, Ekaterina Efremova, Egor Shalymov, Roman Shalymov, Vladimir Yu. Venediktov, Anastasia Venediktova

Proceedings Volume 11191, 111910J (2019) https://doi.org/10.1117/12.2537754

KEYWORDS: Nanostructuring, Sensors, Navigation systems

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Proceedings Article | 11 April 2019 Presentation + Paper

The main ways of applying nanostructured metasurfaces in rotation angle sensors

Ekaterina Efremova, Natalia Nikolaeva, Egor Shalymov, Vladislav Shoev, Vladimir Venediktov, Anastasia Venediktova

Proceedings Volume 11028, 110280X (2019) https://doi.org/10.1117/12.2520706

KEYWORDS: Sensors, Nanostructuring, Computer programming, Nanorods, Photodetectors, Antennas, Magnetic sensors, Magnetism, Phase shifts, Light sources

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Proceedings Article | 9 June 2006 Paper

Laser-induced MW discharge

I. Ch. Mashek, Yu. Anisimov, E. Efremova, V. Lashkov

Proceedings Volume 6053, 605311 (2006) https://doi.org/10.1117/12.660453

KEYWORDS: Medium wave, Interferometers, Plasma, Mirrors, CCD cameras, Interferometry, Ruby lasers, Fabry–Perot interferometry, Microwave radiation, Atmospheric plasma

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Showing 5 of 10 publications

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