Тип публикации: статья из журнала
Год издания: 2010
Идентификатор DOI: 10.1364/OE.18.026959
Аннотация: Spectral properties of an electrically tunable one-dimensional photonic crystal infiltrated with a twisted-nematic liquid crystal (PC/TN) are investigated. Two mesogenic materials with dissimilar optical anisotropies are examined for constituting the central defect layer. With the TN alignment of the defect layer embedded in the diПоказать полностьюelectric multilayers, the defect modes not only shift with the applied voltage but also switch between two major modes when the linear polarization angle of the incident light is altered. The superposition of the mixed-mode TN (MTN) and the photonic bandgap brings out a tremendous undulation in all range of the transmission spectrum. The defect modes falling at the centers of the MTN spectral humps are allowed to intensely transmit while the others are suppressed. As a result, we propose a monochromatic selector constructed by such a PC/MTN device with electrical tunability. © 2010 Optical Society of America.
Журнал: Optics Express
Выпуск журнала: Т. 18, № 26
Номера страниц: 26959-26964
ISSN журнала: 10944087
Издатель: Optical Society of America