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dc.contributor.authorBo, Enen
dc.contributor.authorGe, Xinen
dc.contributor.authorYu, Xiaojunen
dc.contributor.authorMo, Jianhuaen
dc.contributor.authorLiu, Linboen
dc.identifier.citationBo, E., Ge, X., Yu, X., Mo, J., & Liu, L. (2018). Extending axial focus of optical coherence tomography using parallel multiple aperture synthesis. Applied Optics, 57(13), 3556-3560. doi:10.1364/AO.57.003556en
dc.description.abstractCompromising the inherent trade-off between transverse resolution and depth of focus (DOF) remains a long-standing issue in optical coherence tomography (OCT). In this work, we report a novel technique—parallel multiple aperture synthesis (pMAS) to simultaneously generate multiple optical apertures in an OCT sample arm by employing a two-surface coated mirror. In the proposed pMAS, the DOF is extended by a factor of 16.49 without sacrificing the transverse resolution for proof-of-concept experiments when multiple distinctive apertures are digitally synthesized. The microparticles and tissue experiments demonstrate the feasibility of pMAS to address the fundamental problem of limited DOF in high-resolution OCT.en
dc.description.sponsorshipNRF (Natl Research Foundation, S’pore)en
dc.description.sponsorshipMOE (Min. of Education, S’pore)en
dc.description.sponsorshipNMRC (Natl Medical Research Council, S’pore)en
dc.format.extent5 p.en
dc.relation.ispartofseriesApplied Opticsen
dc.rights© 2018 Optical Society of America. All rights reserved. This paper was published in Applied Optics and is made available with permission of Optical Society of America.en
dc.subjectDRNTU::Engineering::Electrical and electronic engineeringen
dc.subjectAperture Synthesisen
dc.subjectOptical Coherence Tomographyen
dc.titleExtending axial focus of optical coherence tomography using parallel multiple aperture synthesisen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Chemical and Biomedical Engineeringen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen
dc.description.versionAccepted versionen
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