基于迈克耳孙干涉仪的全息聚合物分散液晶电切换柱面菲涅耳透镜
Electrically switchable cylindrical Fresnel lens based on holographic polymer-dispersed liquid crystals using a Michelson interferometer
摘要：
报道了利用迈克耳孙干涉仪制作基于全息聚合物分散液晶（H-PDLC）的电开关柱面菲涅耳透镜。方法的简单性和在单个设置中制造不同焦距透镜的可能性是该方法的优点之一。结果表明，菲涅耳结构波带片作为一个圆柱透镜，并在一维聚焦光。研究了其电光开关特性，发现在E=6 Vrms/μm的电场作用下，样品的聚焦特性可逆地消失，响应时间约为1 ms。
英文摘要：
Fabricating an electrically switchable cylindrical Fresnel lens based on holographic polymer-dispersed liquid crystals (H-PDLC) using a Michelson interferometer is reported. Simplicity of the method and possibility of fabricating different focal length lenses in a single set up are among the advantages of the method. It is demonstrated that the Fresnel structured zone plate acts as a cylindrical lens and focuses light in one dimension. Its electro-optical switching properties are also studied and it is found that at an applied electric field of E=6 Vrms/μm across the sample, focusing property of the sample eliminates with a response of about 1 ms in a reversible manner.
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