Zobrazeno 1 - 10
of 195
pro vyhledávání: '"Liberman, A"'
Autor:
Ya. L. Liberman, L. N. Gorbunova
Publikováno v:
Measurement Techniques. 63:449-454
This is a study of the sensitivity and accuracy characteristics of three of the best known types of self-oscillating displacement transducers with flat screens which serve as contactless supports. The screens are made of different metals: cast iron,
Publikováno v:
Measurement Techniques. 61:992-995
A method of attenuating high-power laser radiation using a small metal diffraction grating as an attenuator for power measurement was analyzed. The thermal operating modes of the attenuator were investigated, and various systems of cooling were consi
Autor:
A. S. Il’in, A. S. Mikryukov, A. A. Liberman, Alexey A. Kovalev, M. V. Ulanovskii, S. A. Moskalyuk
Publikováno v:
Measurement Techniques. 60:889-892
A conical meter of the energy characteristics of laser radiation containing two spatially separated groups of thermopiles is proposed. It is shown that an error of the detector’s zone characteristic of less than 1% may be achieved by appropriate se
Publikováno v:
Measurement Techniques. 58:1195-1199
The improved national primary standard for the unit of average laser radiation power GET 28–2013 is described. It can be used to provide metrological support for unity of measurements of the energy characteristics of semiconductor lasers and laser
Publikováno v:
Measurement Techniques. 58:1244-1249
An experimental setup was devised allowing high-accuracy radiation power measurements in the range of the order of 10−18–10−15 W. The use of a calibrated Fresnel prismatic attenuator in the design minimizes the error in determining the mean num
Publikováno v:
Measurement Techniques; Apr2021, Vol. 64 Issue 1, p1-7, 7p
Autor:
Liberman, Ya. L., Gorbunova, L. N.
Publikováno v:
Measurement Techniques; Sep2020, Vol. 63 Issue 6, p449-454, 6p
Publikováno v:
Measurement Techniques. 57:280-286
A method by means of which the unit of radiation power may be reproduced and transferred from a reference to a verified receiver under the conditions of substantial instability of laser radiation is proposed. Experiments that correspond to the calcul
Autor:
M. V. Ulanovskii, S. A. Moskalyuk, A. A. Liberman, T. V. Isaeva, Alexey A. Kovalev, A. S. Mikryukov
Publikováno v:
Measurement Techniques. 57:62-68
The configurations of a four-prism attenuator that provide a compact construction and greatly simplify its adjustment and assembly are considered. It is shown that the most successful configuration is a four-prism configuration with pairwise parallel
Publikováno v:
Measurement Techniques. 56:1311-1317
The national primary special standard for the units of energy, energy density distribution, pulse duration, and wavelength of laser radiation is described.