Measurement of the three-dimensional point-spread function in an optical coherence tomography imaging system - art. no. 68472Q

被引：8
|
作者：
Tomlins, Peter H. [1 ]
Woolliams, Peter [1 ]
Tedaldi, Matthew [1 ]
Beaumont, Andrew [1 ]
Hart, Christian [1 ]
机构：
[1] Natl Phys Lab, Opt Technol Grp, Teddington TW11 0LW, Middx, England
来源：
COHERENCE DOMAIN OPTICAL METHODS AND OPTICAL COHERENCE TOMOGRAPHY IN BIOMEDICINE XII | 2008年 / 6847卷
关键词：
optical coherence tomography; calibration phantom; resolution; point spread function;
D O I：
10.1117/12.766576
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
Two significant figures of merit for optical coherence tomography (OCT) systems are the axial and transverse resolutions. Transverse resolution has been defined using the Rayleigh Criterion or from Gaussian beam optics. The axial resolution is generally defined in terms of the coherence length of a Gaussian shaped source. Whilst these definitions provide a useful mathematical reference they are somewhat abstracted from the three dimensional resolution that is encountered under practical imaging conditions. Therefore, we have developed a three-dimensional resolution target and measurement methodology that can be used to calibrate the three-dimensional resolution of OCT systems.
引用
收藏
页码：Q8472 / Q8472
页数：8
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