Comparison of speckle reduction using polarization diversity and frequency compounding in Optical Coherence Tomography

被引：6
|
作者：
Storen, T [1 ]
Royset, A [1 ]
Giskeodegard, NH [1 ]
Pedersen, HM [1 ]
Lindmo, T [1 ]
机构：
[1] Norwegian Univ Sci & Technol, Dept Phys, N-7491 Trondheim, Norway
来源：
COHERENCE DOMAIN OPTICAL METHODS AND OPTICAL COHERENCE TOMOGRAPHY IN BIOMEDICINE VIII | 2004年 / 5316卷
关键词：
Optical Coherence Tomography; Low-Coherence Interferometry; speckle; speckle reduction; speckle averaging; polarization diversity; frequency compounding; spectroscopy;
D O I：
10.1117/12.530608
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
We present a novel OCT (Optical Coherence Tomography) instrument which enables us to detect two orthogonal polarization states at two different wavelengths simultaneously. We have used this instrument to demonstrate, study, and compare the properties of speckle averaging using frequency compounding and polarization diversity separately and in combination. Reductions in speckle contrast obtained by measurements are compared to theoretical values and results from computer simulations of OCT signals.
引用
收藏
页码：196 / 204
页数：9
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