Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Mariana Kuneva"'
Publikováno v:
Photonics, Vol 8, Iss 12, p 571 (2021)
This study involves the results of research on short-term and long-term DC-drifts in electro-optical modulators based on annealed proton exchange waveguides in LiNbO3 crystals after wafer pre-annealing. The relaxation time of the DC-drift of the oper
Externí odkaz:
https://doaj.org/article/05559e4e2f654591a9a868001900a79f
Autor:
Антон Александрович Журавлев (Anton A. Zhuravlev), Алексей Владимирович Сосунов (Alexey V. Sosunov), Сергей Сергеевич Мушинский (Sergey S. Mushinsky), Роман Сергеевич Пономарев (Roman S. Ponomarev), Мариана Кунева (Mariana Kuneva)
Publikováno v:
ВЕСТНИК ПЕРМСКОГО УНИВЕРСИТЕТА. ФИЗИКА. :5-13
This work is devoted to the study of the drift of the operating point of integrated-optical circuits based on proton-exchange waveguides in lithium niobate crystal with a recovered structure of the near-surface layer. Recovered of the damaged near-su
Autor:
Sergey S. Mushinsky, Aleksei V. Sosunov, Roman S. Ponomarev, Mariana Kuneva, Anton A. Zhuravlev
This work involves results of research on short-term and long-term DC-drifts in electro-optical modulators based on annealed proton exchange waveguides in LiNbO3 crystals after wafer pre-annealing. The relaxation time of the DC-drift of the operating
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c161a62e9c4797197ba057bd876a799e
Publikováno v:
AIP Conference Proceedings.
Discussed here are the most important waveguide structures in proton-exchanged lithium niobate for different modulators used in modern integrated and fiber optics devices (navigation equipment, temperature sensors, electric field sensors, etc.) with
Publikováno v:
AIP Conference Proceedings.
Publikováno v:
Materials Science and Engineering: B. 118:301-305
Proton-exchanged optical waveguides in LiNbO3 and LiTaO3 were obtained by different technology conditions. The phase composition was analyzed by infrared absorption spectroscopy and mode spectroscopy. In addition, infrared reflection spectra were reg
Autor:
Peter A. Atanasov, Svetlen Tonchev, M. Sendova-Vasileva, D. Dimova-Malinovska, Mariana Kuneva
Publikováno v:
Sensors and Actuators A: Physical. 99:154-159
Proton exchange (PE) waveguiding layers in LiNbO 3 crystal substrates were prepared using different substances as sources of protons (NH 4 HSO 4 and LiHSO 4 melts and vapors) and varying the temperature and duration of PE-process. The waveguides were
Publikováno v:
Solid State Sciences. 12:1870-1872
A combination of methods was used for analysis of the phase composition of proton-exchanged layers in Y-cut lithium niobate. Mode spectra were used for the determination of phases. Vibration spectra allow some comparative and semi-quantitative estima
Autor:
Ognyan Ivanov, Mariana Kuneva
Publikováno v:
Applications and Experiences of Quality Control
Field-matter interactions are very attractive for practical applications in contactless and rapid analysis. Here, two types of effects, induced by irradiation of solids with electromagnetic waves, are considered: acoustoelectric effect and surface ph
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::42d0a3d3c7273b525867214a4d555ec5
http://www.intechopen.com/articles/show/title/quality-control-methods-based-on-electromagnetic-field-matter-interactions
http://www.intechopen.com/articles/show/title/quality-control-methods-based-on-electromagnetic-field-matter-interactions