Dispersion Compensation in Optical Coherence Tomography with a Prism in a Rapid-Scanning Optical Delay Line

被引:0
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作者
Meng-Tsan Tsai
I-Jen Hsu
Chih-Wei Lu
Yih-Ming Wang
Chia-Wei Sun
Yean-Woei Kiang
C. C. Yang
机构
[1] National Taiwan University,Department of Electrical Engineering, Graduate Institute of Electro
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biophotonics; optical coherence tomograph; dispersion compensation; rapid-scanning optical delay line;
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摘要
We demonstrate the theoretical and experimental results of using a single prism in the rapid-scanning optical delay line of an optical coherence tomography (OCT) system for compensating the mismatches of the first- and second-order group delay dispersion (GDD) between the reference and sample arms. The analytical expressions for the first- and second-order GDD are derived based on the typically designed system configuration. Numerical results in varying various parameters are shown. An optimized set of parameters for efficient dispersion compensation in a practical fiber-based OCT system is obtained. The numerical result of the dispersion compensation is demonstrated. Also, the experimental implementation of such a dispersion compensation method is illustrated with the conditions similar to the numerical calculations. The compensation result is quite satisfactory
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页码:1199 / 1212
页数:13
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