%0 Journal Article
%T High Efficient Tunable Fractal Axicon Based on LCoS
%A WANG Xin
%A DAI Hai-Tao
%A Xu Ke-Shu
%A <br>王昕
%A 戴海涛
%A 徐克璹
%J 中国物理快报
%D 2008
%I 
%X Based on the Cantor function and phase modulation, a tunable fractal axicon is formed on a liquid crystal on silicon (LCoS) with an improved generating method. It has higher focusing efficiency in higher fractal stage and approaches to 100% theoretically. The on-axis intensity keeps its fractal structure unchanged in operation of fractal stages. The tunability of theaxicon is demonstrated by tune fractal stage from 1 to 3 and focal length from 0.8m to 1m. We also provide details of theoretical analyses and experimental results.
%K 42
%K 79
%K Hp
%K 42
%K 79
%K Ls
%K 42
%K 30
%K Kq
%K 42
%K 25
%K Fx<br>轴锥体
%K 分形体
%K 理论分析
%K 实验研究
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=E27DA92E19FE279A273627875A70D74D&aid=8392FD8C2D631FE3B56208D0D6D728BA&yid=67289AFF6305E306&vid=C5154311167311FE&iid=38B194292C032A66&sid=80B081C203919926&eid=BB44F42BE8AE7430&journal_id=0256-307X&journal_name=中国物理快报&referenced_num=0&reference_num=9