Mr. Georgi Mateev Profile

Georgi Mateev

PhD Student

SPIE Involvement:

Author

Publications (7)

Proceedings Article | 1 April 2020 Open Access

Diffraction efficiency of polarization holographic gratings recorded in azopolymer thin films coated using different solvents

Elena Stoykova, Lian Nedelchev, Dimana Nazarova, Blaga Blagoeva, Georgi Mateev

Proceedings Volume 11367, 113671G (2020) https://doi.org/10.1117/12.2555756

KEYWORDS: Polarization, Diffraction, Diffraction gratings, Thin films, Holography, Birefringence, Surface properties

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Proceedings Article | 18 December 2019 Paper

Dynamic speckle analysis with two-wavelength acquisition

E. Stoykova, G. Mateev, B. Blagoeva, B. Ivanov, D. Nazarova, L. Nedelchev

Proceedings Volume 11338, 113383M (2019) https://doi.org/10.1117/12.2548141

KEYWORDS: Speckle pattern, Cameras, Speckle, Speckle analysis, Data acquisition, Fourier transforms, Statistical analysis, Correlation function, Content addressable memory, Data processing

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Proceedings Article | 26 June 2017 Paper

Pointwise intensity-based dynamic speckle analysis with binary patterns

Elena Stoykova, Georgy Mateev, Dimana Nazarova, Nataliya Berberova, Branimir Ivanov

Proceedings Volume 10329, 103293Y (2017) https://doi.org/10.1117/12.2270153

KEYWORDS: Speckle, Speckle pattern, Correlation function, Binary data, Statistical analysis, Speckle analysis, Optical metrology, Data acquisition, Probability theory, Nondestructive evaluation, Reflectivity, Image processing

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Proceedings Article | 5 January 2017 Paper

Laser induced optically and thermally reversible birefringence in azopolymers

D. Ivanov, D. Nazarova, L. Nedelchev, B. Blagoeva, N. Berberova, E. Stoykova, G. Mateev, D. Kostadinova

Proceedings Volume 10226, 1022608 (2017) https://doi.org/10.1117/12.2262357

KEYWORDS: Birefringence, Polymers, Polarization, Thermography, Laser optics, Anisotropy, Chromophores, Thin films, Holographic materials, Holography

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Proceedings Article | 5 January 2017 Paper

Dynamic laser speckle metrology with binarization of speckle patterns

Georgy Mateev, Elena Stoykova, Dimana Nazarova, Nataliya Berberova, Atanas Gotchev, Branimir Ivanov

Proceedings Volume 10226, 102260R (2017) https://doi.org/10.1117/12.2262330

KEYWORDS: Speckle pattern, Speckle, Correlation function, Binary data, Algorithm development, Statistical analysis, Speckle analysis, Laser metrology, Speckle metrology, Nondestructive evaluation

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