Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Dimitar V. Stoyanov"'
Publikováno v:
Research & Development in Material Science. 15
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b1a93a579c432f7d92dcbe745fc5094
https://doi.org/10.31031/rdms.2021.15.000867
https://doi.org/10.31031/rdms.2021.15.000867
Autor:
Dimitar V. Stoyanov, Orlin I. Vankov, Ljuan L. Gurdev, Tanja N. Dreischuh, Lachezar A. Avramov
Publikováno v:
Journal of Modern Optics. 64:1270-1282
Tissue-like phantoms are important tools in studying light propagation and scattering in biological tissues and in the development, testing and calibration of novel optical diagnostic and therapeutic methods and instruments. This motivates the intere
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd563b71971984a9abf4ec51998ce0de
https://doi.org/10.1080/09500340.2017.1285063
https://doi.org/10.1080/09500340.2017.1285063
Autor:
G. Kolarov, Dimitar V. Stoyanov, Atanaska D. Deleva, Liliya A. Vulkova, Tanja N. Dreischuh, Ljuan L. Gurdev, Ivan Grigorov, Zahary Y. Peshev
Publikováno v:
Journal of Physics: Conference Series. 1859:012028
Using lidar and contact facilities, the relation is investigated experimentally between the extinction coefficient and the mass concentration of near-ground aerosol pollution over some districts in Sofia City. The extinction coefficient profiles of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7653675346e21fb7d7511527c18da3c0
https://doi.org/10.1088/1742-6596/1859/1/012028
https://doi.org/10.1088/1742-6596/1859/1/012028
Autor:
Ljuan L. Gurdev, Tanja N. Dreischuh, Lachezar A. Avramov, Eleonora N. Toncheva, Dimitar V. Stoyanov, Orlin I. Vankov
Publikováno v:
SPIE Proceedings.
Experimental measurements and theoretical description have been performed of the spatial intensity distribution of the backward radiative response of tissue-like Intralipid-20% dilutions in distilled water irradiated by a collimated near-infrared cw
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4df9d032739dc5fb868c429f9e06b772
https://doi.org/10.1117/12.2261412
https://doi.org/10.1117/12.2261412
Publikováno v:
19th International Conference and School on Quantum Electronics: Laser Physics and Applications
Presented are results of lidar measurements and characterization of wildfire caused smoke aerosols observed in the atmosphere above the city of Sofia, Bulgaria, related to two local wildfires raging in forest areas near the city. A lidar systems base
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::42aec7dfd81b979ca17d2ee25f24a322
Publikováno v:
Acta Physica Polonica A. 118:540-549
The possibility has been investigated of determining, using graydar (Gamma RAY Detection And Ranging)approach, the in-depth partial-density profile of some substance absorbed in a dense medium. Analyticalalgorithms have been derived for retrieving t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c0a5bc9f34d8277c2f4eea6964715dbe
https://doi.org/10.12693/aphyspola.118.540
https://doi.org/10.12693/aphyspola.118.540
Autor:
Ljuan L. Gurdev, C.N. Protochristov, Dimitar V. Stoyanov, Tanja N. Dreischuh, Orlin I. Vankov
Publikováno v:
IEEE Transactions on Nuclear Science. 54:262-275
An approach is proposed, and its potentialities are studied, for single-sided gamma-ray in-depth sensing and tomography of dense opaque media. The approach is based on lidar (LIgth Detection And Ranging) principle or, in the present case, graydar (Ga
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ae0dfa262366da2186dde2b9ffa725a
https://doi.org/10.1109/tns.2006.887857
https://doi.org/10.1109/tns.2006.887857
Autor:
Dimitar V. Stoyanov, Orlin I. Vankov, Ljuan L. Gurdev, Lachezar A. Avramov, Tanja N. Dreischuh
Publikováno v:
18th International School on Quantum Electronics: Laser Physics and Applications.
The experimental investigations on different aspects of optical tomography require the knowledge of the optical parameters of tissues and tissue-like phantoms in order to unambiguously interpret the experimental data and specify characteristic inhomo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::623f91de6e9e40ac2f3fc7949e18dac5
https://doi.org/10.1117/12.2087266
https://doi.org/10.1117/12.2087266
Publikováno v:
18th International School on Quantum Electronics: Laser Physics and Applications
In this work, we present results of two-wavelength lidar observations on Saharan dust layers over Sofia, Bulgaria, in two days of strong dust intrusion events in the fall and winter of the year 2010. Measurements are carried out at two wavelengths (1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a056e198d42f7de1a9ed6cb0e0b680e5
https://doi.org/10.1117/12.2175654
https://doi.org/10.1117/12.2175654
Publikováno v:
18th International School on Quantum Electronics: Laser Physics and Applications
Physical analysis and mathematical description are given of the factors conditioning the formation and the fluctuation statistics of the aerosol lidar signals. The considerations are based on the assumption of incoherent scattering from aerosol parti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::59b33b54a062b1d731514f17a0d64397