Point light source imaging by a three-dimensional long-imaging-depth lens

被引：0

作者：

Zhang, Li-Feng ^{[1
,2
,3
]}

Ye, Jia-Sheng ^{[1
,2
,3
,4
]}

Sun, Wen-Feng ^{[1
,2
,3
,4
]}

Feng, Sheng-Fei ^{[1
,2
,3
,4
]}

Wang, Xin-Ke ^{[1
,2
,3
,4
]}

Zhang, Yan ^{[1
,2
,3
,4
]}

机构：

[1] Capital Normal Univ, Dept Phys, Beijing 100048, Peoples R China

[2] Beijing Key Lab Metamat & Devices, Beijing 100048, Peoples R China

[3] Minist Educ, Key Lab THz Optoelect, Beijing 100048, Peoples R China

[4] Beijing Ctr Math & Informat Interdisciplinary Sci, Beijing 100048, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2015年 / 347卷

基金：

中国国家自然科学基金; 北京市自然科学基金; 国家高技术研究发展计划(863计划);

关键词：

Long-imaging-depth lens; The Fresnel diffraction integral method; Imaging spot size; Imaging efficiency; Wavelength tolerance; Roughness tolerance; HIGH TRANSVERSE RESOLUTION; RIGOROUS ELECTROMAGNETIC ANALYSIS; FOCAL LENGTH FUNCTION; CYLINDRICAL MICROLENS; DIFFRACTIVE LENSES; AXILENS; MICROSCOPY; MODULATION; EXTENSION; AXICON;

D O I：

10.1016/j.optcom.2015.02.042

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Based on Fermat's principle, we have designed a three-dimensional long-imaging-depth (LID) lens for point light source imaging. The thickness function of the designed LID lens is given analytically. Imaging properties of the designed LID lens are simulated by the Fresnel diffraction integral method. Numerical simulations demonstrate that the designed LID lens has gained a much longer imaging depth in the axial direction, in comparison with the conventional lens. In addition, compared with the conventional lens, the transverse imaging spot size and the imaging efficiency of the designed LID lens have exhibited weaker reliance on the longitudinal position within the LID region. Finally, the wavelength tolerance and roughness tolerance properties of the designed LID lens are disclosed. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：141 / 146

页数：6

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