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Volume 25 - ICOP & ICPET 2019
ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 401-404 |
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Behjat Z, Panahi F, Khoshsima H, Sobatian A. Generation of electrical tunable Annular beam in the cell of dye doped liquid crystal . ICOP & ICPET _ INPC _ ICOFS 2019; 25 :401-404
URL: http://opsi.ir/article-1-1695-en.html
URL: http://opsi.ir/article-1-1695-en.html
1- Research Institute for Applied Physics & Astronomy, University of Tabriz, Tabriz
2- Department of Physics, Science Faculty, University of Urmia, Urmia
2- Department of Physics, Science Faculty, University of Urmia, Urmia
Abstract: (1675 Views)
In this paper we report a novel way for generating tunable Annular beam. The method is based on recording the printed pattern of Radial shifted Fresnel zone plate (RSP FZP) on the cell of 1294-1b liquid crystal doped with dye. Varying the radius of annular beam or being tunable with the external electrical field, supply interesting application for our sample both in bio photonics and in industry. Moreover, simplicity in creating electrical tunable annular beam is another interesting feature of this technique.
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