Ultra wide-angle underwater detection lens design

被引：0

作者：

Huang, Jinxuan ^{[1
]}

Zhou, Tianfu ^{[1
]}

Lin, Feng ^{[1
]}

机构：

[1] Fujian Normal Univ, Key Lab OptoElect Sci & Technol Med, Fujian Prov Key Lab Photon Technol, Minist Educ, Fuzhou 35007, Peoples R China

来源：

SIXTH SYMPOSIUM ON NOVEL OPTOELECTRONIC DETECTION TECHNOLOGY AND APPLICATIONS | 2020年 / 11455卷

关键词：

Lens Design; Underwater Image; Fish-eye Lens;

D O I：

10.1117/12.2565273

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Characteristics of underwater imaging optical systems having fields of greater than 170 degrees are discussed. The relative aperture is 1 / 1.8, the underwater field of view is 179 degrees, the focal length is 4.1 mm, and 11 lens are used. The PMMA material is used as a concentric spherical window to correct the image quality deterioration caused by the medium change. The image quality of the lens was evaluated in the paper. The MTF performance at the Nyquist frequency can be kept above 0.3. The RMS radius reaches 2.3 mu m.This system is designed with only spherical lens.

引用

页数：7

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