物理学报2012，Vol.61Issue(12)：290-295,6.
外加电场调制二维六角位相阵列光分束器的研究
A study of two-dimensional hexagonal phase array optical beam splitter modulated by external electric field
摘要
Abstract
In this paper, we establish a theoretical model of reciprocal-lattice vector of the two-dimensional hexagonal phase array optical beam splitter modulated by an external electric field, perform the analysis of the tunable phase-difference array optical beam splitter according to the numerical simulation, and then obtain the images of intensity distribution with different values of fractional Talbot distance and external electric field. The two-dimensional hexagonal phase array optical beam splitter is designed and fabricated by lithium niobate. An experimental study of beam splitting is also given. When the applied voltage is 0.5 kV （with electric field of 1 kV/mm）, we observe the phenomenon of the beam splitting in Talbot diffraction. As the external field increases, the images of beam splitting in diffraction become clearer, the experimental results are in agreement with theoretical results.关键词
外加电场调制/二维六角位相阵列/光分束器Key words
external electric field modulation/two-dimensional hexagonal phase array/optical beam splitter分类
数理科学引用本文复制引用
李建光,陈云琳,张进宏..外加电场调制二维六角位相阵列光分束器的研究[J].物理学报,2012,61(12):290-295,6.基金项目
国家自然科学基金（批准号：61178052）和北京交通大学校基金（批准号：2011JBMl22,2011JBZ013）资助的课题. （）
