標題: Crucial effects of polar alignment symmetry on the dynamical behaviors of quasi-homeotropic liquid crystal cells
作者: Hsieh, CY
Chen, SH
光電工程學系
Department of Photonics
關鍵字: liquid crystals;flow effect;dynamics;polar alignment;optical bounce
公開日期: 1-八月-2002
摘要: We present an interesting transient electro-optical phenomenon including double optical bounce during the rising period of a quasi-homeotropic liquid crystal (QHLC) cell with an asymmetrical polar-alignment boundary condition. The unique optical behavior of the QHLC cell is produced by the flow effect together with the complicated alignment condition of the substrates, which is a combination of the deviation of azimuthal alignment and the asymmetrical polar alignment. We have found that the symmetrical characteristic of polar alignment plays a critical role in the dynamical behavior of the QHLC cell. Furthermore, our simulation results show that the double optical-bounce phenomenon appears even when the difference between the top and bottom tilt angles is only 0.1degrees. The experimental results and numerical calculation are described in this paper.
URI: http://hdl.handle.net/11536/28648
ISSN: 0021-4922
期刊: JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS
Volume: 41
Issue: 8
起始頁: 5264
結束頁: 5265
顯示於類別:期刊論文


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