1. A time delay correction technique for SS-OCT

    A time delay correction technique for SS-OCT

    BACKGROUND: K-trigger signals from light source or external Mach-Zehnder interferometer are commonly used in swept source optical coherence tomography (SS-OCT) to achieve interference signal sampling and resolution enhancement. But extra signal transmission time is required due to the increased complexity of interference system using k-trigger signals, resulting in a misalignment (a.k.a., time delay) between the k-trigger and the interference signals. OBJECTIVE: The objective of this paper is to propose a numerical technique to correct the time delay between these two signals. METHODS: The time delay is iterated in this technique and each iterated correction result is evaluated through ...

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