Effective Bandwidth in Spectral-domain OCT

被引：0
|
作者：
Jiang, Minshan [1 ]
Jiao, Shuliang [1 ]
机构：
[1] Univ So Calif, Dept Ophthalmol, Los Angeles, CA 90033 USA
来源：
OPTICAL COHERENCE TOMOGRAPHY AND COHERENCE DOMAIN OPTICAL METHODS IN BIOMEDICINE XIV | 2010年 / 7554卷
关键词：
effective bandwidth; polarization matching condition; path length difference; OPTICAL COHERENCE TOMOGRAPHY;
D O I：
10.1117/12.841364
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We found that the bandwidth in the formula calculating the depth resolution of OCT is usually not the same as the bandwidth of the light source; the effective spectral profile for the interfering signal is determined by the dot product of the electric vectors of the light field in the two interfering arms. We thus introduced a new concept: the effective bandwidth in spectral-domain OCT (SD-OCT). Through theoretical and experimental analyses we found that the effective bandwidth is a function of both the polarization matching conditions (PMC) and the path length difference (PLD) between the sample and reference arms.
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页数：5
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