Methods to assess sensitivity of optical coherence tomography systems

被引：43
作者：
Agrawal, Anant [1 ]
Pfefer, T. Joshua [1 ]
Woolliams, Peter D. [2 ]
Tomlins, Peter H. [3 ]
Nehmetallah, George [4 ]
机构：
[1] US FDA, Ctr Devices & Radiol Hlth, Silver Spring, MD USA
[2] Natl Phys Lab, Funct Mat Grp, Teddington, Middx, England
[3] Queen Mary Univ London, Barts & London Sch Med & Dent, London E1 1BB, England
[4] Catholic Univ Amer, Dept Elect & Comp Sci, Washington, DC 20064 USA
来源：
BIOMEDICAL OPTICS EXPRESS | 2017年 / 8卷 / 02期
关键词：
SWEPT-SOURCE; PERFORMANCE; LASER; DEPTH;
D O I：
10.1364/BOE.8.000902
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
Measuring the sensitivity of an optical coherence tomography (OCT) system determines the minimum sample reflectivity it can detect and provides a figure of merit for system optimization and comparison. The published literature lacks a detailed description of OCT sensitivity measurement procedures. Here we describe a commonly-used measurement method and introduce two new phantom-based methods, which also offer a means to directly visualize low reflectivity conditions relevant to biological tissue. We provide quantitative results for the three methods from different OCT system configurations and discuss the methods' advantages and disadvantages. (C) 2017 Optical Society of America
引用
收藏
页码：902 / 917
页数：16
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