Tunable Fresnel lens using nanoscale polymer-dispersed liquid crystals

被引:175
作者
Ren, HW [1 ]
Fan, YH [1 ]
Wu, ST [1 ]
机构
[1] Univ Cent Florida, CREOL, Sch Opt, Orlando, FL 32816 USA
关键词
D O I
10.1063/1.1604943
中图分类号
O59 [应用物理学];
学科分类号
摘要
An electrically tunable Fresnel zone plate lens is demonstrated using nanoscale polymer-dispersed liquid crystal droplets. In the voltage-off state, the zone plate behaves like a positive lens. The measured diffraction efficiency is close to the theoretical limit and is controllable by voltage. The major advantages of such a Fresnel lens are simple fabrication, large aperture size, polarization independent, and fast switching speed, although the required operating voltage is relatively high. (C) 2003 American Institute of Physics.
引用
收藏
页码:1515 / 1517
页数:3
相关论文
共 15 条
[11]   OPTICAL LIMITS FOR SPATIAL INTERCONNECTION NETWORKS USING 2-D OPTICAL ARRAY DEVICES [J].
SAKANO, T ;
NOGUCHI, K ;
MATSUMOTO, T .
APPLIED OPTICS, 1990, 29 (08) :1094-1100
[12]   LIQUID-CRYSTAL LENS-CELLS WITH VARIABLE FOCAL LENGTH [J].
SATO, S .
JAPANESE JOURNAL OF APPLIED PHYSICS, 1979, 18 (09) :1679-1684
[13]   ELECTRICALLY SWITCHABLE VOLUME GRATINGS IN POLYMER-DISPERSED LIQUID-CRYSTALS [J].
SUTHERLAND, RL ;
TONDIGLIA, VP ;
NATARAJAN, LV ;
BUNNING, TJ ;
ADAMS, WW .
APPLIED PHYSICS LETTERS, 1994, 64 (09) :1074-1076
[14]   VOLUME HOLOGRAPHIC IMAGE STORAGE AND ELECTROOPTICAL READOUT IN A POLYMER-DISPERSED LIQUID-CRYSTAL FILM [J].
TONDIGLIA, VP ;
NATARAJAN, LV ;
SUTHERLAND, RL ;
BUNNING, TJ ;
ADAMS, WW .
OPTICS LETTERS, 1995, 20 (11) :1325-1327
[15]  
WILLIAMS G, 1989, P SOC PHOTO-OPT INS, V1168, P352, DOI 10.1117/12.962998