Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Veselin Vladev"'
Publikováno v:
Photonics, Vol 11, Iss 8, p 694 (2024)
In this paper we present the principle of operation, fabrication and performance of a phosphorescent optical-fiber quasi-distributed sensor with contactless smartphone interrogation. An array of short strong corrugated long-period gratings (C-LPG) is
Externí odkaz:
https://doaj.org/article/22f5f22397724eb2a5ed5fb143cf80bf
Autor:
Veselin Vladev, Mariya Brazkova, Stefan Bozhkov, Galena Angelova, Denica Blazheva, Stefka Minkova, Krastena Nikolova, Tinko Eftimov
Publikováno v:
Foods, Vol 13, Iss 9, p 1329 (2024)
An experimental study is presented on the possibility of using the fluorescence from organic dyes as a broadband light source together with a monochromator for applications in excitation–emission matrix (EEM) fluorescence spectroscopy. A high-power
Externí odkaz:
https://doaj.org/article/3be8d61ab5ca4706aa81131598142c0d
Publikováno v:
Sensors, Vol 23, Iss 23, p 9306 (2023)
We report on a study of the temperature dependence of the response of a BSO crystal based polarimetric current sensor with spectral interrogation. Two possible interrogation schemes are discussed. The spectral dependence of the optical rotation along
Externí odkaz:
https://doaj.org/article/c723a0a912e04f4e802556be8e3c470d
Autor:
Galena Angelova, Mariya Brazkova, Petya Stefanova, Denica Blazheva, Veselin Vladev, Nadejda Petkova, Anton Slavov, Petko Denev, Daniela Karashanova, Roumiana Zaharieva, Atanas Enev, Albert Krastanov
Publikováno v:
Journal of Fungi, Vol 7, Iss 10, p 866 (2021)
In this study, for the first time, the potential of rose flowers and lavender straw waste biomass was studied as feeding lignocellulose substrates for the cultivation of newly isolated in Bulgaria Ganoderma resinaceum GA1M with the objective of obtai
Externí odkaz:
https://doaj.org/article/c70548c015c24965bef935d486138277
Publikováno v:
Optics Communications. 527:128930
Publikováno v:
27th International Conference on Optical Fiber Sensors.
A simple spectrally interrogated polarimetric current sensor based on BSO crystal fluorescence is reported. The sensitivity to current is 0.0718 nm/A to 0.13 nm/A to temperature between -0.016 nm/deg and - 0.08 nm/deg.
Autor:
Nadejda Petkova, Daniela Karashanova, Albert Krastanov, Roumiana Zaharieva, Petko Denev, Veselin Vladev, Petya Stefanova, Galena Angelova, Anton Slavov, Mariya Brazkova, Denica Blazheva, Atanas Enev
Publikováno v:
Journal of Fungi, Vol 7, Iss 866, p 866 (2021)
Journal of Fungi
Volume 7
Issue 10
Journal of Fungi
Volume 7
Issue 10
In this study, for the first time, the potential of rose flowers and lavender straw waste biomass was studied as feeding lignocellulose substrates for the cultivation of newly isolated in Bulgaria Ganoderma resinaceum GA1M with the objective of obtai
Publikováno v:
Optical Materials. 133:112837
Autor:
Radoslava Gabrova, Tinko Evtimov, Veselin Vladev, Vera Hadjimitova, Stefka Minkova, Krastena Nikolova, N. Hristova-Aqakumova
Publikováno v:
20th International Conference and School on Quantum Electronics: Laser Physics and Applications.
Publikováno v:
PROCEEDINGS OF THE 45TH INTERNATIONAL CONFERENCE ON APPLICATION OF MATHEMATICS IN ENGINEERING AND ECONOMICS (AMEE’19).