Ms. Blaga Blagoeva Profile

Blaga Blagoeva

SPIE Involvement:

Author

Publications (8)

Proceedings Article | 15 August 2023 Poster + Paper

Intensity-based dynamic speckle method for analysis of variable-rate dynamic events

Elena Stoykova, Lian Nedelchev, Blaga Blagoeva, Branimir Ivanov, Mikhail Levchenko, Nataliya Berberova-Buhova, Dimana Nazarova

Proceedings Volume 12618, 1261829 (2023) https://doi.org/10.1117/12.2673462

KEYWORDS: Image segmentation, Speckle, Speckle pattern, Spatial light modulators, Polymers, Phase distribution, Light sources and illumination, Optical sensors, Computer simulations, Complex amplitude

Read Abstract +

Proceedings Article | 20 June 2021 Poster + Presentation + Paper

Recognition of small areas of activity by the pointwise intensity-based dynamic speckle analysis

E. Stoykova, N. Berberova, B. Blagoeva, D. Nazarova, L. Nedelchev, A. Machikhin

Proceedings Volume 11782, 117821U (2021) https://doi.org/10.1117/12.2592600

KEYWORDS: Speckle, Speckle pattern, Speckle analysis, Temporal resolution, Wave propagation, Visualization, Sensors, Reliability, Refractive index, Polymers

Read Abstract +

Proceedings Article | 1 April 2020 Open Access

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

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

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

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

Read Abstract +

DOWNLOAD PAPER

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

Read Abstract +

Proceedings Article | 3 October 2019 Paper

Temperature dependence of the drying process in polymer solutions observed by dynamic speckle detection

E. Stoykova, B. Blagoeva, L. Nedelchev, D. Nazarova

Proceedings Volume 11207, 112071S (2019) https://doi.org/10.1117/12.2527432

KEYWORDS: Speckle pattern, Polymers, Speckle, Thin films, Speckle analysis, Surface roughness, Binary data, Polymer thin films, Glasses, Polarization

Read Abstract +

Proceedings Article | 29 January 2019 Paper

Monitoring of a drying process in polymer water and methanol solutions by dynamic speckle metrology

E. Stoykova, B. Blagoeva, T. Nikova, D. Nazarova, L. Nedelchev

Proceedings Volume 11047, 110470W (2019) https://doi.org/10.1117/12.2516355

KEYWORDS: Polymers, Speckle pattern, Speckle, Speckle metrology, Binary data, Correlation function, Speckle analysis, Statistical analysis, Image processing

Read Abstract +

Proceedings Article | 5 January 2017 Paper

Laser induced optically and thermally reversible birefringence in azopolymers

D. Nazarova, L. Nedelchev, D. Ivanov, 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

Read Abstract +

Proceedings Article | 5 January 2017 Paper

Time dependent spectral birefringence excited with laser light in azopolymers and azopolymers doped with ZnO

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

Proceedings Volume 10226, 1022606 (2017) https://doi.org/10.1117/12.2262608

KEYWORDS: Birefringence, Zinc oxide, Absorbance, Nanoparticles, Nanocomposites, Polarization, Polarizers, Transmittance, Thin films, Spectroscopy

Read Abstract +

Showing 5 of 8 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years