多焦点人工晶状体
光学
衍射效率
镜头(地质)
衍射
宽带
相(物质)
计算机科学
变量(数学)
限制
材料科学
物理
数学
机械工程
工程类
数学分析
量子力学
视力
超声乳化术
作者
Bo Dong,Ying Yang,Yue Liu,Chuang Li,Chao Yang,Chao Xue
出处
期刊:Optics Express
[The Optical Society]
日期:2023-08-09
卷期号:31 (17): 28338-28338
被引量:1
摘要
Multifocal diffractive optical elements (MDOEs), which produce arbitrary light distribution, are widely used in lightweight and compact optical systems. MDOEs that are combined with multiple functions tend to have complex step structures, limiting their applications. We propose a facile method named continuous variable curve with multi-subperiods (CVCMS) to design adjustable multifocal single-layer diffractive optical elements. Through the analysis, the model achieved arbitrary diffraction efficiency distribution with an improved smooth continuous phase profile in each diffractive ring while retaining the periodicity. To display the high design freedom of the method, we utilized this method to design and discuss a broadband multifocal intraocular lens (MIOL) focused on the optimization of far focal point. Finally, the method was compared with other multifocal design methods. The results show that the CVCMS method achieved adjustable multifocal design with better performance and smoother profile than other MDOE design techniques. The proposed model can be applied to multifocal ophthalmic lens designs.
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