Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Ya. Yu. Fomicheva"'
Temperature effect on nonlinear information recording process in chromone-based photosensitive media
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 19, Iss 1, Pp 87-95 (2019)
Subject of research. This paper focuses on the study of temperature effect on the threshold intensity values for fluorescent mark recording as well as on the features and threshold intensity values for photosensitive material damage during nonlinear
Investigation of Transient State and Dynamics of Photochemical Transformations of Chromone Molecules
Autor:
A. N. Sergeev, K. Oberhofer, S. V. Gagarskiy, Hristo Iglev, V. V. Kiyko, E. P. Grebennikov, K. S. Levchenko, Ya. Yu. Fomicheva
Publikováno v:
Optics and Spectroscopy. 125:482-486
Results of investigation of the phototransformation dynamics of chromone molecules by means of a transient-state spectroscopy are presented. Changes in the spectrum of the optical density of chromone compounds dissolved in toluene in the process of t
Autor:
V. V. Kiyko, A. N. Sergeev, K. Oberhofer, Ya. Yu. Fomicheva, A. O. Ayt, Ch. Brunner, Valery A. Barachevsky, S. V. Gagarskiy, Hristo Iglev
Publikováno v:
2018 International Conference Laser Optics (ICLO).
in this work dynamics of chromone compound photo-induced transformation is investigated using ultrafast pump-probe measurements. Relaxation dynamics of transient absorption spectrum is described by two time constants of 1.5 ps and about 1.5 ns. Energ
Autor:
Andrey V. Veniaminov, M. M. Krayushkin, V. V. Kiyko, A. N. Sergeev, Ya. Yu. Fomicheva, Hristo Iglev, Valery A. Barachevsky, S. V. Gagarskiy, A. Duensing, Viktor Zakharov, A. O. Ayt
Publikováno v:
Optical and Quantum Electronics. 49
Nonlinear recording of stable fluorescent microstructures in PMMA films doped with photosensitive compound 2-(furan-2-yl)-3-(thiophen-2-carbonyl)-chromen-4-one is investigated. Energy and power density thresholds for recording stable fluorescent mark
Autor:
A.F. Kornev, V. P. Pokrovskiy, A. S. Kovyarov, S. V. Gagarskiy, Ya. Yu. Fomicheva, P. A. Gnatyuk
Publikováno v:
Optics Letters. 43:3457
An end-pumped Nd:YAG 946 nm laser with pulse duration of 1.6 ns, output energy of 2.5 mJ, and pulse repetition rate of 50 Hz is described. Such a combination of the parameters achieved has become possible due to the implementation of the cavity-dumpi