%0 Journal Article
%T Transverse superresolution and axial extended focal depth realized by the tunable phase pupil filter<br>可调谐位相型光瞳滤波器的横向光学超分辨和轴向扩展焦深
%A Yun Mao-Jin
%A Wan Yong
%A Kong Wei-Jin
%A Wang Mei
%A Liu Jun-Hai
%A Liang Wei
%A <br>云茂金
%A 万勇
%A 孔伟金
%A 王美
%A 刘均海
%A 梁伟
%J 物理学报
%D 2008
%I 
%X In order to overcome the drawback of the conventional pupil filters and realize the tunable superresolution of the optical system, a new type of tunable pure phase filter composed of a half-wave plate located between two quarter-wave plates is presented in this paper, in which the half-wave plate is made of two zones. The simulation results show that with such a pupil filter the tunable transverse superresolution as well as the axial extended focal depth of the optical system can be realized by rotating any zone of the half-wave plate.
%K optical superresolution
%K phase pupil filter
%K tunable<br>光学超分辨，
%K 位相型光瞳滤波器，
%K 可调谐
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=29DF2CB55EF687E7EFA80DFD4B978260&aid=12EC13FABC69617A8AA0F68C7FF0E9FB&yid=67289AFF6305E306&vid=11B4E5CC8CDD3201&iid=CA4FD0336C81A37A&sid=5D9D6A8FC2C66FD8&eid=FCD27DC5E1F2EEE7&journal_id=1000-3290&journal_name=物理学报&referenced_num=0&reference_num=16