Double grating based rapid scanning optical delay line for dispersion compensation in optical coherence tomography - art. no. 65340D

被引：2
|
作者：
Li, Dong [1 ]
Ding, Zhihua [1 ]
机构：
[1] Zhejiang Univ, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Peoples R China
来源：
Fifth International Conference on Photonics and Imaging in Biology and Medicine, Pts 1 and 2 | 2007年 / 6534卷
关键词：
medical optics and biotechnology; dispersion compensation; optical coherence tomography; double-grating; rapid scanning optical delay line; group velocity dispersion; third order dispersion;
D O I：
10.1117/12.741122
中图分类号：
Q6 [生物物理学];
学科分类号：
071011 ;
摘要：
A method for dispersion compensation in optical coherence tomography (OCT) by a double-grating based rapid scanning optical delay line (RSOD) is put forward. The added grating introducing an independent variable of the distance between gratings, along with the adjustable distance between grating and Fourier transform lens in a conventional RSOD can be used to compensate the group velocity dispersion (GVD) and the third order dispersion (TOD) of OCT system simultaneously. Theoretical development of the dispersion characteristics as well as the dispersion management scheme is given. Example of dispersion compensation in a typical OCT system is provided.
引用
收藏
页码：D5340 / D5340
页数：8
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