Accès ouvert
2024
conference-paper
OpenAlex
K. Polák, J.-Ch. Gayde, M. Šulc
Abstract A Structured Laser Beam (SLB) is a type of optical beam with spatially inhomogeneous 3D polarisation structures. Generating SLBs from vector beams allows the creation of Hollow Structured Laser Beams (HSLB) with a dark central core. In this way, atypical electric …
cz, ch
(code pays fourni par la source)
2021
article
OpenAlex
N. Azaryan, J. Budagov, V. Vernikovskya, M. Lyablin et autres
Abstract The daylong noises of the 24 bits ADC DT9824 and DT9828 in the laboratory room conditions and in the thermo-stabilized and radio isolated laboratory and the noises dependence on the single measurement duration have been researched. Significantly, by factor 240× the …
ru, by, ch
(code pays fourni par la source)
2019
article
OpenAlex
N. Azaryan, J. Budagov, M. Lyablin, A. Pluzhnikov et autres
— Analysis is given to advantages and drawbacks of methods for measuring laser beam center coordinates and determining a range and amount of linear beam displacements using a quadrant photoreceiver, CCD matrix, and dividing plates. It is shown that the quadrant photoreceiver …
ru, ch
(code pays fourni par la source)
2019
article
OpenAlex
N. Azaryan, J. Budagov, V. Glagolev, M. Lyablin et autres
Abstract— The decreasing of the relaxation time for recovery of the horizontality of the surface of thin layer of the liquid in the cuvette is a new observed phenomenon caused by the meniscus influence in case of the cuvette small inclination. It …
ru, ch
(code pays fourni par la source)
2019
article
OpenAlex
N. Azaryan, J. Budagov, M. Lyablin, A. Pluzhnikov et autres
Abstract— The Earth surface inclinations recorded by the Precision Laser Inclinometer have been transformed to vertical oscillations using a specifically developed method. A method to calculate the space displacement of collider beams focuses is proposed to evaluate the effects of the surface …
ru, ch
(code pays fourni par la source)
2019
article
OpenAlex
N. Azaryan, J. Budagov, V. Glagolev, M. Lyablin et autres
Abstract In the Professional Precision Laser Inclinometer the noise origins were analyzed. The new efficient methodic of these noises taking into account was proposed and realized. The own (instrumental) noise 6 × 10–12 rad/Hz1/2 of the PPLI has been measured in the …
ru, ch
(code pays fourni par la source)
2017
article
OpenAlex
N. Azaryan, J. Budagov, M. Lyablin, A. Pluzhnikov et autres
For the Precision Laser Inclinometer (FPI) using the I-20A oil, a high-frequency 4 Hz boundary was determined for reliable detection of the earth’s surface angular vibrations. The proposed method makes use of the microseismic signal and its processing to expand the PLI …
ch
(code pays fourni par la source)
2017
article
OpenAlex
N. Azaryan, J. Budagov, M. Lyablin, A. Pluzhnikov et autres
To reach a sensitivity level of ~10 –9 rad for the Precision Laser Inclinometer (PLI) for the registration of the Earth surface angular oscillation in the low frequency band of [10 –6 Hz; 1 Hz] the temperature stability of the CERN Transfer …
ch
(code pays fourni par la source)
2017
article
OpenAlex
N. Azaryan, J. Budagov, M. Lyablin, A. Pluzhnikov et autres
An experimental method for the compensation of the noise originated by the laser ray angular oscillations was proposed and experimentally proved for the Precision Laser Inclinometer (PLI). The PLI noise spectral density was reduced by factor 30× and reached 10–8 rad/Hz1/2 level …
ch
(code pays fourni par la source)
2017
article
OpenAlex
N. Azaryan, V. Batusov, J. Budagov, V. Glagolev et autres
The Hydrostatic Level System (HLS) data and the Precision Laser Inclinometer (PLI) instruments data have been comparatively analyzed in the event of surface angular oscillations induced by earthquakes. The comparative data analysis has shown an agreement on the arrival and stop time …
ru, ch
(code pays fourni par la source)
2017
article
OpenAlex
N. Azaryan, J. Budagov, J.-Ch. Gayde, B. Di Girolamo et autres
In this report a high accuracy method for an interferometric calibration of the Precision Laser Inclinometer (PLI) is proposed. The method is based on the simultaneous measurement of: (a) the PLI base calibration slope (angle), set by a piezoelectric positioner, via laser …
ru, ch
(code pays fourni par la source)
2016
conference-paper
OpenAlex
Pasquale Arpaïa, Kurt Artoos, Marco Buzio, Domenico Caiazza et autres
Within the framework of the Compact Linear Collider Study (CLIC) [1] at CERN, new sensing and actuators technologies must be developed in order to achieve the required performance. An ITN Marie Curie Skowoska project funded by the European Union was launched in …
ch, it
(code pays fourni par la source)