A Technique for Director Profiling Utilising Convergent Beam Excitation of Fully-Leaky Guided Modes
作者:
N.J. Smith,
J.R. Sambles,
期刊:
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals
(Taylor Available online 2000)
卷期:
Volume 347,
issue 1
页码: 45-51
ISSN:1058-725X
年代: 2000
DOI:10.1080/10587250008024828
出版商: Taylor & Francis Group
关键词: optics;liquid crystal;guided-mode;fully-leaky;convergent beam
数据来源: Taylor
摘要:
The recently developed Fully-Leaky Guided Mode (FLGM) technique has paved the way for using optical waveguiding to study standard commercial cells. Previous FLGM experiments have utilised a plane-polarised collimated beam to excite optical modes. Here we describe the use of an alternative convergent beam procedure. The Convergent Beam Guided Mode (CBGM) technique has in addition the potential to be used to explore switching dynamics and single pixels. The work presented here is a demonstration of the CBGM technique via a study of the static director profile of a pi-cell (parallel rubbed) filled with the nematic liquid crystal material E7.
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