Abstract
We propose a simple method to modulate spatial interferogram to achieve full-range complex imaging in Fourier-domain optical coherence tomography, in which a sample stage is employed which can be adjusted to introduce a constant carrier frequency into the interference signal during the B-scan by adjusting the stage angle with respect to the normal to the object under test. An additional phase, which is linearly related to the lateral position, is then induced in the A-scan. The in vivo images of human skin were generated which demonstrate that the method proposed can generate the cross-sectional image with the same quality with that obtained with other methods and with the advantage of the simplicity in implementation.
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This research was supported by the National Natural Science Foundation of China (61275198, 60978069).
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Bian, H., Gao, W. Stage-based frequency-modulated full-range complex Fourier-domain optical coherence tomography . Opt Rev 22, 700–705 (2015). https://doi.org/10.1007/s10043-015-0126-1
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DOI: https://doi.org/10.1007/s10043-015-0126-1