Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Petr Koranda"'
Autor:
Petr Koranda, Catalina Tudose, Larissa Schwarzkopf, Iva Holmerová, Todor Kunchev, N. Bachinskaya, Marina Boban, Latchezar Traykov, Shima Mehrabian, Tibor Kovács, Alexander Kurz, Elka Stefanova, Katrina Milecka, Stefanie Auer, Janine Diehl-Schmid, Milica G. Kramberger
Publikováno v:
Neuropsychiatric Disease and Treatment. 15:2503-2511
Background Dementia is a particularly severe societal challenge in several countries of the Danube Region due to higher-than-average increment in population longevity, disproportionate increase of the old-age dependency ratio, and selective outward m
Autor:
Petr Koranda, Mitsunobu Miyagi, Oto Köhler, Jan Pokorný, Katsumasa Iwai, Helena Jelínková, Michal Němec
Publikováno v:
Laser Physics. 20:618-621
The perforation effects of Er:YAG (2940 nm) and Ho:YAG (2100 nm) lasers radiation on human urinary stones model made from compressed plaster and real human samples were compared in vitro. For mid-infrared laser radiation delivery the special COP/Ag h
Autor:
Tasoltan T. Basiev, Petr Koranda, Valery V. Badikov, A. S. Gerasimenko, V. K. Komar, Helena Jelínková, V. V. Osiko, Jan Šulc, D. V. Badikov, V. M. Puzikov, Maxim E. Doroshenko
Publikováno v:
Laser Physics Letters. 7:38-45
The laser properties of Bridgman method grown active crystals Cr2+:ZnMgSe and Fe2+:ZnSe were investigated at room temperature from the point of view of laser parameters. Cr2+:ZnMgSe crystal was pumped by the 1.66 μm wavelength radiation of pulsed Er
Publikováno v:
Laser Physics Letters. 6:222-228
The purpose of the study was to determine the proper laser radiation for ceramic bracket debonding and the investigation of the tooth root temperature injury. The debonding was investigated by diode-pumped continuously running Tm:YAP and Nd:YAG laser
Publikováno v:
Applied Physics A. 92:975-980
Comparison of the eye tissue transmission for laser radiations with the wavelengths 0.75, 1.08, 1.34, 1.44, 1.54, 1.66, 2.01, 2.69, and 2.94 μm was made with the aim to understand the possible tissue injury by the particular light. From the step by
Autor:
Mitsunobu Miyagi, Katsumasa Iwai, Yi-Wei Shi, Helena Jelínková, Tatjana Dostalova, Yuji Matsuura, Michal Němec, Petr Koranda
Publikováno v:
Laser Physics Letters. 4:835-839
The results of two types of mid-infrared Er:YAG laser intensities impacts on hard dental tissue were investigated. The Er:YAG radiation with the intensities 62 kW/cm2 or 62 MW/cm2, for the case of free-running or Q-switched pulses, respectively, was
Autor:
Yuji Matsuura, Martin Fibrich, Michal Němec, Mitsunobu Miyagi, Katsumasa Iwai, Petr Koranda, Helena Jelínková, Yi-Wei Shi
Publikováno v:
Laser Physics Letters. 4:761-767
The modification of mid-infrared radiation spatial profile caused by COP/Ag hollow glass waveguide was investigated. The four laser systems – flashlamp pumped Er:YAG, Tm:YAG, and diode pumped Tm:YAG, and Tm:YAP laser sources – generating radiatio
Autor:
V. M. Puzikov, Helena Jelínková, Petr Koranda, Michal Němec, Jan Šulc, Tasoltan T. Basiev, V. K. Komar, Maxim E. Doroshenko, A. S. Gerasimenko
Publikováno v:
Laser Physics Letters. 4:503-506
Compact broadly tunable Cr:ZnSe laser was constructed and described. Cr:ZnSe bulk crystal was grown by the Bridgman technique. In our best knowledge the bulk Cr:ZnSe prism was utilized as laser active media and simultaneously as an intra-cavity dispe
Autor:
M.E. Doroshenko, Helena Jelínková, M. B. Kosmyna, V. K. Komar, Michal Němec, Pavel Černý, T. T. Basiev, Petr Koranda, Jan Šulc
Publikováno v:
Laser Physics Letters. 4:23-29
Cr:ZnSe crystal newly grown by Bridgman method was investigated as an active material for laser coherently pumped either by flashlamp-pumped Er:YAP (wavelength 1.66 μm) or by diode pumped Tm:YAP (wavelength 1.97 μm) laser radiations. The maximal Cr
Autor:
Helena Jelínková, P. Šimůnek, Yuji Matsuura, Petr Koranda, Michal Němec, T. Dostálová, Mitsunobu Miyagi, Yi-Wei Shi
Publikováno v:
Laser Physics Letters. 3:43-48
For the purpose of dentin micro-selective treatment the thermal ablation and photoablation accomplished by Er:YAG laser radiation, and preparation of tissue by ultrasonic round ball tip, and also by the classical dental drilling machine using diamond