The influence of an external electric field on the propagation of light waves in cholesteric liquid crystal cells
- Авторы: Aksenova E.V.1, Karetnikov A.A.1, Kovshik A.P.1, Krainyukov E.S.1, Svanidze A.V.1
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Учреждения:
- St. Petersburg State University
- Выпуск: Том 122, № 5 (2017)
- Страницы: 816-825
- Раздел: Physical Optics
- URL: https://bakhtiniada.ru/0030-400X/article/view/165399
- DOI: https://doi.org/10.1134/S0030400X17050022
- ID: 165399
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Аннотация
The specific features of light transmission in a cholesteric liquid crystal (LC) cell with a director rotated by 90° have been investigated. In this structure, where a light wave is incident at a large angle with respect to the LC surface, the light is reflected (refracted) in the LC layer near the opposite boundary. It is shown that the application of an electric field changes the character of extraordinary wave refraction, as a result of which light starts passing through a cell. The transmission threshold voltage is determined, and its dependence on the angle of incidence of light is obtained. The dependence of the transmitted-light intensity on the voltage across the cell is obtained as well. The same dependences are also derived by numerical calculations with allowance for the turning points and extinction.
Об авторах
E. Aksenova
St. Petersburg State University
Автор, ответственный за переписку.
Email: e.aksenova@spbu.ru
Россия, St. Petersburg, 199034
A. Karetnikov
St. Petersburg State University
Email: e.aksenova@spbu.ru
Россия, St. Petersburg, 199034
A. Kovshik
St. Petersburg State University
Email: e.aksenova@spbu.ru
Россия, St. Petersburg, 199034
E. Krainyukov
St. Petersburg State University
Email: e.aksenova@spbu.ru
Россия, St. Petersburg, 199034
A. Svanidze
St. Petersburg State University
Email: e.aksenova@spbu.ru
Россия, St. Petersburg, 199034
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