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

doi:10.1364/AO.51.005936

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

^*Corresponding author for this work

Institute of Biophotonics

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

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.

Original language	English
Pages (from-to)	5936-5940
Number of pages	5
Journal	Applied Optics
Volume	51
Issue number	24
DOIs	https://doi.org/10.1364/AO.51.005936
State	Published - 20 Aug 2012

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

abstract = "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.",

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AU - Kuo, Wen Chuan

AU - Lai, Yune Shee

AU - Lai, Chih Ming

AU - Huang, Yi Shiang

PY - 2012/8/20

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N2 - 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.

AB - 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.

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

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