Balanced detection spectral domain optical coherence tomography with a multiline single camera for signal-to-noise ratio enhancement

Wen Chuan Kuo*, Yune Shee Lai, Chih Ming Lai, Yi Shiang Huang

*此作品的通信作者

研究成果: Article同行評審

10 引文 斯高帕斯(Scopus)

摘要

In this study, the use and advantages of balanced detection (BD) in spectral domain optical coherence tomography (SD-OCT) are demonstrated. A-scans are calculated as a combination of two phase-opposed interferometric spectra acquired simultaneously by using a multiline single camera spectrometer. Not only does this system suppress artifacts due to autocorrelation, but also the signal of interest is increased by a factor of 2 as experimentally verified. Our BD-based SD-OCT gives a signal-to-noise ratio improvement of 8-14 dB for the peak within 1 mm compared to standard SD-OCT using a single detection scheme. This method is validated by experimental measurement of a glass plate.

原文English
頁(從 - 到)5936-5940
頁數5
期刊Applied Optics
51
發行號24
DOIs
出版狀態Published - 20 8月 2012

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