Zobrazeno 1 - 10
of 13
pro vyhledávání: '"V. N. Prokashev"'
Publikováno v:
Optics and Spectroscopy. 108:954-957
The optical properties of Si-doped germanium films have been investigated. It is shown that Ge films with 1.5 wt % Si have a minimum optical loss. The optical constants of Ge films have been measured at different substrate temperatures. The optimal c
Publikováno v:
SPIE Proceedings.
Interference coating for infrared spectral region required the transparent optical films with different refraction indexes and minimal an absorption factor. It is well known, that chalcogenide materials based on sulfide and selenide are the perspecti
Publikováno v:
SPIE Proceedings.
Beamsplitter's coatings are used for optic's instrumentation, devices for space research, laser physics, Fourier spectroscopy and many other domains of science and techniques. Their wide application causes the stimulation of investigations in the fie
Autor:
E. V. Khonineva, V. N. Prokashev, Michael N. Tkachuk, Boris N. Gumenik, E. N. Kotlikov, Vasily A. Ivanov, Alexej N. Tropin
Publikováno v:
SPIE Proceedings.
Interference coating for infrared spectral region required the transparent optical films with different refraction indexes and minimal an absorption factor. It is well known1, that chalcogenide materials based on sulphide and selenide are the perspec
Publikováno v:
SPIE Proceedings.
Films of fluorides may crystallize during vacuum deposition on substrates that leads to undesirable diminishing of transparency of films (having optical thickness more than 3 ÷ 5 μm) for the visible spectral range. To solve this problem we carried
Publikováno v:
SPIE Proceedings.
The main requirement of stable work of tunable lasers is the constancy of reflection coefficient for laser mirrors in the necessary spectral range. In order to synthesize and make mirrors for IR-range we elaborated multilayer film structures of two k
Publikováno v:
SPIE Proceedings.
The phase distortion's influence on the radial luminosity of the laser radiation in distant zone occurred in mirrors with radial reflection coefficient has been investigated. It was shown that the radial luminosity diminished 1.5 - 2 times in compari
Publikováno v:
Journal of Optical Technology. 76:693
This paper describes examples of the synthesis and fabrication of optical coatings that operate in the mid-IR region and the visible region simultaneously. In particular, it tells how to separate the radiations of CO2 and He-Ne lasers by means of int
Publikováno v:
Journal of Optical Technology. 76:100
The coating uniformity of optical films on large items (up to 200mm) or on cassettes with a large number of substrates has substantial significance when multilayer optical coatings are commercially fabricated. This article discusses how the thickness
Publikováno v:
Journal of Optical Technology. 71:407
Fluoride films (made from barium, calcium, strontium, and lead fluorides) tend to crystallize when they are sputtered. For an optical thickness more than 3-5 µm, their transparency in the visible region decreases because of losses to scattering. Thi