Zobrazeno 1 - 10
of 65
pro vyhledávání: '"Alexander I. Omelchenko"'
Publikováno v:
Yugra State University Bulletin. 18:21-31
In this work, optical coherence tomography (OCT) of gel phantoms and cartilage tissue of the joint impregnated with nanoparticles was performed under laser exposure to an erbium fiber laser with a wavelength of 1.56 m. Multifunctional "magnetite + go
Autor:
V. Ya. Panchenko, A. V. Bolshunov, E. M. Kasianenko, Olga I. Baum, Alexander I. Omelchenko, Nikolay L. Kazanskiy, Roman V. Skidanov, Avetisov Se, Emil N. Sobol
Publikováno v:
Quantum Electronics. 50:87-93
The results of calculation and development of a device aimed at forming a laser beam with an annular intensity distribution and spatial mode homogenisation, as well as approbation of this device for biological phantoms and eyes in ex vivo experiments
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 139:3519-3526
This paper presents the results of a thermo-analytical study of the thermal expansion of rib cartilage used for autotransplantation. Deformations of rib cartilage implants caused by thermal expansion of tissue during Peltier cooling and laser heating
Publikováno v:
2020 International Conference Laser Optics (ICLO).
temporal dependency of electrical conductivity of cartilage in course of laser heating by pulse periodical radiation in the condition of natural convection was studied. Various ranges of non-monotonic behaviors of temperature dependency of the conduc
Publikováno v:
Saratov Fall Meeting 2019: Optical and Nano-Technologies for Biology and Medicine.
Laser surgery of the changing cartilage shape is based on photothermal effect on tissue components, which leads to its plasticization and, consequently, reshaping of this tissue. With the rapid laser heating, an optoacoustic wave is generated in the
Autor:
A. V. Yuzhakov, Vladimir Y. Zaitsev, Alexander L. Matveyev, Emil N. Sobol, Alexander I. Omelchenko, Lev A. Matveev, Olga I. Baum, Alexander A. Sovetsky
Publikováno v:
Optical Elastography and Tissue Biomechanics VII.
We consider application of optical coherence elastography (OCE) to problems of laser-assisted structural modification/reshaping of avascular collagenous tissues used for fabrication of cartilaginous implants and corneal tissue reshaping for perspecti
Autor:
Yu. M. Soshnikova, L. Selezneva, Andrey Baskov, E. M. Kas'yanenko, V. M. Svistushkin, Olga I. Baum, Alexander I. Omelchenko, A. V. Yuzhakov, A. V. Tokareva, Emil N. Sobol, Anatoly B. Shekhter
Publikováno v:
Quantum Electronics. 47:935-941
Autor:
O.V. Khomchik, Moscow Photonics» Ras, Alexander I. Omelchenko, A.A. Gamidov, P.D. Gavrilina, I.A. Velieva, A.V. Bol'shunov, Olga I. Baum
Publikováno v:
Modern technologies in ophtalmology. :153-154
Autor:
Olga I. Baum, A. V. Bolshunov, Alexander I. Omelchenko, V. I. Siplivy, Alex Vitkin, Emil N. Sobol, Alexander L. Matveyev, Lev A. Matveev, Avetisov Se, Vladimir Y. Zaitsev, Dmitry V. Shabanov, Grigory V. Gelikonov
Publikováno v:
Journal of Biophotonics. 10:1450-1463
We describe the use of elastographic processing in phase-sensitive optical coherence tomography (OCT) for visualizing dynamics of strain and tissue-shape changes during laser-induced photothermal corneal reshaping, for applications in the emerging fi
Autor:
V. I. Siplivy, A. V. Bolshunov, A A Gamidov, Avetisov Se, Olga I. Baum, E. M. Kas'yanenko, G. A. Osipyan, Roman V. Skidanov, Emil N. Sobol, Alexander I. Omelchenko, N. L. Kazanskij
Publikováno v:
Vestnik oftalmologii. 134(5)
The article describes a newly developed and tested diffractive optical element (DOE) that converts non-uniform radiation of the laser output into a homogeneous ring. The Gerchberg-Saxton algorithm is shown to be well suited for achieving annular inte