AI Article Synopsis
- The paper introduces a balanced detection spectral-domain optical coherence tomography (BD-SD-OCT) system designed to minimize autocorrelation artifacts and enhance the signal-to-noise ratio (SNR).
- This system utilizes three optical fiber couplers to create two phase-opposed interference spectra that are collected simultaneously by one line-scan camera.
- Compared to traditional SD-OCT systems, the BD-SD-OCT significantly boosts SNR by 5.4-6 dB and reduces autocorrelation by 5-10 dB, with practical imaging tests conducted on human nail folds and retinas.
Article Abstract
This paper describes a balanced detection spectral-domain optical coherence tomography (BD-SD-OCT) system for suppressing autocorrelation (AC) artifacts and increasing the signal-to-noise ratio (SNR). The system employed three optical fiber couplers to generate two phase-opposed interference spectra that were acquired by a single line-scan camera simultaneously. When compared with conventional unbalanced detection SD-OCT systems, the developed BD-SD-OCT system improved the SNR by 5.4-6 dB and suppressed the AC term by 5-10 dB. The imaging quality of the BD-SD-OCT system was evaluated by in vivo imaging of human nail folds and retinas.
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| http://dx.doi.org/10.1364/OE.446941 | DOI Listing |
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This paper describes a balanced detection spectral-domain optical coherence tomography (BD-SD-OCT) system for suppressing autocorrelation (AC) artifacts and increasing the signal-to-noise ratio (SNR). The system employed three optical fiber couplers to generate two phase-opposed interference spectra that were acquired by a single line-scan camera simultaneously. When compared with conventional unbalanced detection SD-OCT systems, the developed BD-SD-OCT system improved the SNR by 5.
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