Asymmetric Aberration Patterns at Light Beam Self Action in Nematic Liquid Crystals

Авторы: Budagovsky I.A., Ochkin V.N., Smayev M.P., Zolot’ko A.S., Barnik M.I.
Сборник: Proceedings of SPIE
Том: 6729
Год издания: 2007
Издательство: SPIE-The International Society for Optical Engineering
Местоположение издательства: Bellingham, WA, United States
Первая страница: 67293E
DOI: 10.1117/12.752112
Аннотация: The orientational self-action of a light beam in (1) transparent planar nematic liquid crystal (NLC) subjected-to external DC field and (2) planar NLC doped with stilbene dye in the absence of external field has been studied. It is shown that the shapes of the aberrational patterns developed in the far-field diffraction zone are highly asymmetric, unlike the common system of concentric rings. In case (1) the aberrational pattern exhibits complex dynamics of its formation. The shape of the pattern is independent of the polarization of the incident light. In case (2), the divergence of the pattern does depend on the incident-light polarization. In both cases, the light-induced director deformation in the field of the ordinary wave was found. The physical mechanisms of the director reorientation responsible for the asymmetric aberrational patterns are discussed.
Добавил в систему: Смаев Михаил Петрович

	ИСТИНА	Войти в систему Регистрация
	ИСТИНА ЦЭМИ РАН
	Главная Поиск Статистика О проекте Помощь

ИСТИНА