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| 内窥式共聚焦成像系统分析 | |
| 引用本文： | 葛华勇,陈光,王保华,任秋实.内窥式共聚焦成像系统分析[J].光子学报,2007,36(7):1198-1201. |
| 作者姓名： | 葛华勇 陈光 王保华 任秋实 |
| 作者单位： | 1. 东华大学,信息科学与技术学院,上海,200051 2. 上海大学,通信与信息工程学院,上海,200072 3. 上海交通大学,激光与光子生物研究所,上海,200030 |
| 摘 要： | 基于点扩展函数和傅立叶光学理论，推导出系统的相干传递函数，并详细研究了光纤对轴向分辨率的影响.研究结果表明：该系统为相干成像系统，系统的轴向分辨率随光纤半径A的增加而降低.最后，搭建了一套内窥式共聚焦成像系统，并测得光栅样品的共聚焦图像.实验结果表明，该系统具有良好的分辨率. |
| 关 键 词： | 共焦成像 点扩展函数 相干传递函数 HWHM 分辨率 |
| 文章编号： | 1004-4213（2007）07-1198-4 |
| 收稿时间： | 2006-03-22 |
| 修稿时间： | 2006-03-22 |
Analysis of Endoscopic Confocal Imaging System |
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| GE Hua-yong,CHEN Guang,WANG Bao-hua,REN Qiu-shi.Analysis of Endoscopic Confocal Imaging System[J].Acta Photonica Sinica,2007,36(7):1198-1201. | |
| Authors: | GE Hua-yong CHEN Guang WANG Bao-hua REN Qiu-shi |
| Institution: | 1 School of Information Science and Technology, Donghua University, Shanghai 200051,China;2 School of Communication and Information Engineering, Shanghai University, Shanghai 200072, China;3 Institute for Laser Medicine and Bio photonics, Shanghai J iaotong University, Shanghai 200030, China |
| Abstract: | The coherent transmission function of the system is deduced and the influence of fiber on axial resolution is investigated in detail on the basis of point spread function and Fourier optics.It is shown that the system acts as a coherent imaging system and the axial resolution of the system decays with increasing fiber radius A.An endoscopic confocal imaging system was built,and the in-focus image of glass grating was obtained which shows sufficient resolution. |
| Keywords: | Confocal imaging Point spread function(PSF) Coherent transmission function(CTF) Half-width at half maximum(HWHM) Resolution |
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