zemax轴锥镜特性研究及其在显微系统中的设计
本文首先介绍了大景深成像概念及计算，以及实现该目的的各种方法，从中选择轴锥镜法进行实验。通过zemax软件对上述实验目的进行模拟。用标准显微透镜组与轴锥镜结合的方式设计光路，从图像对比中发现系统的像差、光程差、弥散圆半径在轴锥镜的加入后都发生了幅度的减小，且通过计算发现随着锥角增大，系统的景深改变量却随之减小，另一方面，随着显微透镜组的放大倍率1倍到100倍的增大，其改变幅度变得越来越小。后用autoCAD进行显微系统的实物模拟，并证明了加入轴锥镜的该透镜组的可行性。20324
关键词 大景深 无衍射光 轴锥镜 zemax 显微系统 autoCAD
毕业论文设计说明书（论文）外文摘要
Title Research axicon characteristics and design the structure in microscopic systems
Abstract
The ordinary optical system is often affected by the depth of field while imaging three-dimensional space or three-dimensional objects.In order to form the image portion clear, increase the depth of field of the optical system has become one of the most meaningful topics.For example, in biomedical research and applications,we need positions for different thickness confocal imaging to observe the three-dimensional structure of the sample.
This paper firstly introduces the concept of a large depth of field imaging and computing, and a variety of methods to achieve this purpose, then choose axicon to do this experiment. Articles selected zemax to do simulation ,using standard microscopic lens group and the axicon combination design optical path. The system can be found from the image contrast obtained aberration, the optical path difference, diffusion radius after joining axicon have changed, and with the increase of microscopic magnification lens group 1 to 100 , the axis of the cone mirror the change in the depth of field becomes smaller. Use autoCAD for simulating microscopy system and demostrate the feasibility of adding the axicon in the lens group.
Keywords: Large depth of field, non-diffracted light, axicon, zemax, restore the image, microscope system
目 次
1 绪论 1
1.1课题的研究背景及意义 1
1.2国内外研究现状 2
1.3 本文的主要研究工作及各章主要内容 3
2 大景深成像技术 5
2.1大景深成像概述 5
2.2 增大景深方法 6
2.2.1 环形孔径法 7
2.2.2 幅度切趾法 7
2.2.3 二文图像序列的图像融合 7
2.2.4 特殊设计透镜结合图像图像处理 8
2.2.5 波前编码技术 8
2.3 大景深成像的应用 9
3 基于轴锥镜的光路系统研究 10
3.1 无衍射光成像概述 10
3.1.1 无衍射光概念 10
3.1.2 无衍射光种类 10
3.2 轴锥镜结构概述 11
3.3 轴锥镜对显微系统成像的影响分析 14
3.3.1 轴锥镜对显微系统的弥散斑影响 14
3.3.2轴锥镜对显微系统的像差影响 18
3.3.3轴锥镜对显微系统的光程曲线的影响 20
3.3.4 高斯光束腰显示干涉图像 21
3.3.5 轴锥镜对不同放大率显微物镜组的影响 23
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