Abstract
Significant progress has been made in the study of optical coherence tomography (OCT) - a non-invasive, high resolution, and in vivo diagnostic method for medical imaging applications. In this paper, the principles of noise analyses for OCT systems have been described. Comparisons are made of signal-to-noise ratios for both balanced and unbalanced detection schemes under the ideal no-stray light situation as well as the non-ideal situation where residual reflections and scatterings are presented. Numerical examples of noise calculation accompanied by detailed comparison of the main characteristics of both time-domain and frequency-domain OCT systems are also presented. It is shown that a larger dynamic range can be achieved for a Fourier-domain OCT system even under the circumstances of high-speed image acquisition. The main results presented in this paper should be useful for the development of high performance OCT systems.
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Translated and revised from Acta Photonica Sinica, 2007, 36(3): 452–461 [译自: 光子学报]
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Zhu, X., Liang, Y., Mao, Y. et al. Analyses and calculations of noise in optical coherence tomography systems. Front. Optoelectron. China 1, 247–257 (2008). https://doi.org/10.1007/s12200-008-0034-0
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DOI: https://doi.org/10.1007/s12200-008-0034-0