Zobrazeno 1 - 10
of 56
pro vyhledávání: '"Leonid A. Beresnev"'
Autor:
Jony Liu, Gary W. Carhart, Leonid A. Beresnev, John McElhenny, Christopher Jackson, Garrett Ejzak, Tyler Browning, Furkan Cayci, Fouad Kiamilev
Publikováno v:
SPIE Newsroom.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bbab1165a8a5aa705fbfe930a50b1b2c
https://doi.org/10.1117/2.1201503.005860
https://doi.org/10.1117/2.1201503.005860
Publikováno v:
Ferroelectrics. 278:177-189
An optical wavefront sensor based on a non-linear Zernike filter is described. The sensor's key element is a light valve (optically addressed spatial light modulator), which is composed of ferroelectric liquid crystal (FLC) and semi-transparent photo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0405eba5cd69cf07f07a79023078dfc3
https://doi.org/10.1080/00150190214482
https://doi.org/10.1080/00150190214482
Autor:
A. P. Onokhov, V. Yu. Venediktov, Vladimir A. Berenberg, Leonid N. Soms, Leonid A. Beresnev, A. A. Leshchev, M. V. Vasil'Ev
Publikováno v:
Optics Communications. 166:181-188
The paper describes the results of experimental study of real time dynamic holographic correction of lens distortions in a model telescope, imaging a remote object in incoherent non-monochrome radiation in the visible range of the spectrum. Dynamic c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c5c245f9b1254ea35bcce8196b4efa34
https://doi.org/10.1016/s0030-4018(99)00243-6
https://doi.org/10.1016/s0030-4018(99)00243-6
Autor:
Aleksander N. Chaika, Wolfgang Haase, Wolfgang Dultz, A. L. Gromadin, A. P. Onokhov, Leonid A. Beresnev, Nataliya L. Ivanova
Publikováno v:
Ferroelectrics. 214:109-116
In this paper, we discuss the operation of an OA SLM with amorphous hydrogenated silicon, utilised as a photo-semiconductor, and with a distorted-helix ferroelectric liquid crystal. The device operation is studied using a holographic technique in two
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::33df7723f0e11542b495f5cc26119c24
https://doi.org/10.1080/00150199808012945
https://doi.org/10.1080/00150199808012945
Publikováno v:
Ferroelectrics. 212:29-36
The effects of cell thickness on the pretransitional behaviour of ferroelectric liquid crystals are studied experimentally and theoretically for thin cells. The temperature and field dependences of the tilt angle, polarization, polarization to tilt a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc136860d58585a92f7e1f57ea20b379
https://doi.org/10.1080/00150199808217348
https://doi.org/10.1080/00150199808217348
Publikováno v:
Ferroelectrics. 213:73-80
The basic parameters, describing the polarization and electrooptical properties of mixtures, composed from lamellar matrix and dopants of chiral molecules, are measured. The model was proposed assuming the inclination of chiral molecules even in orth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e0767693e648b22fef955f64f1077fa
https://doi.org/10.1080/00150199808016471
https://doi.org/10.1080/00150199808016471
Publikováno v:
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals. 304:285-293
The devices for local light discrimination in the field of view of eye or light-sensitive devices (videocamera, etc.) are discussed, using optically addressed spatial light modulators. The deformed helical ferroelectric (DHF) effect in FLC's is consi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc8926350096364accddbebbdc07a3e7
https://doi.org/10.1080/10587259708046972
https://doi.org/10.1080/10587259708046972
Publikováno v:
Ferroelectrics. 200:37-49
Temperature dependence of the tilt angle, polarization and capacitance has been studied in three different FLC-mixtures and various cell thicknesses and the Landau expansion coefficients α and b have been determined. It has been found that these par
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad6e59e6f38683edbfa7eaf129ee2a93
https://doi.org/10.1080/00150199708008595
https://doi.org/10.1080/00150199708008595
Publikováno v:
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals. 299:525-539
The approach to creation of electroclinic materials is proposed, based on mixtures from lamellar matrix and dopants of chiral molecules, having the inclination of long axes even in orthogonal phase of matrix. It is supposed to obtain the transition f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c306d9f6b218370fe0f0f3a43b74d69
https://doi.org/10.1080/10587259708042037
https://doi.org/10.1080/10587259708042037
Autor:
E. A. Soto Bustamante, Lev M. Blinov, Wolfgang Haase, Boris I. Ostrovskii, S. V. Yablonskii, Leonid A. Beresnev
Publikováno v:
Liquid Crystals. 21:829-839
X-ray structure determination and pyroelectric and piezoelectric measurements have been carried out on mesogenic mixtures composed of achiral side chain polymers and their monomers. Certain mixtures show antiferroelectric polarization hysteresis loop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40dbd3bb5b56665b7bc049ba5a06a101
https://doi.org/10.1080/02678299608032899
https://doi.org/10.1080/02678299608032899