International Journal of Optics / 2017 / Article / Fig 2

Review Article

Fourier-Domain Optical Coherence Tomography Signal Analysis and Numerical Modeling

Figure 2

The effect of sampling and detection on the OCT signal. (a) For pixel integration the fringe contrast in the -domain is reduced relative to the input spectrum (blue dashed line) after convolution in the -domain in the continuous (blue continuous line) and sampled signal (red circles). (b) Due to pixel integration the signal in the -domain decreases in depth for the continuous (blue continuous line) and sampled (red circles) signal. The green curve indicates the OCT signal roll-off of (17). (c) Similar to (a) but for the effect of spectral integration with a resolution of . (d) Similar to (b) but for the effect of spectral integration.
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