Complex Ambiguity-Free Fourier Domain Optical Coherence Tomography through Transverse Scanning

We introduce a simple and cheap method for phase-shifting Fourier domain optical coherence tomography (FDOCT) that does not need additional devices and can easily be implemented. A small beam offset at the fast beam-scanning mirror introduces a causal phase shift, which can be used for B-scan-based complex image reconstruction. We derive the conditions for optimal conjugate suppression and demonstrate the method on human skin in vivo for spectrometer-based FDOCT operating at 1300 nm employing a handheld scanner.


Published in:
Optics Letters, 32, 23, 3453–3455
Year:
2007
Publisher:
OSA
Keywords:
Laboratories:




 Record created 2008-12-10, last modified 2018-03-18

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