ArticleOptics letters2022
RF properties of circular-ranging OCT signals.
Article in Optics letters, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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2 authors.
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Abstract
Circular-ranging optical coherence tomography (CR-OCT) systems that use a time-stepped frequency comb source generate interference fringe signals that are more complex than those of a conventional swept-source OCT system. Here, we define a common terminology for describing these signals, and we develop a mathematical framework that relates the radio-frequency (RF) properties of these fringe signals to the parameters of the frequency comb source. With this framework, we highlight non-intuitive mechanisms whereby the design of the frequency comb source can affect imaging performance. We show, for example, that amplitude-pulsed time-stepped frequency comb sources have a sensitivity advantage over constant power time-stepped frequency comb sources. More broadly, this framework and associated terminology provide a foundation on which to design and optimize time-stepped frequency comb sources and systems.
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