Research Papers: Imaging

En-face time-domain optical coherence tomography with dynamic focus for high-resolution imaging

[+] Author Affiliations
Mohammad R. N. Avanaki

Wayne State University, Department of Biomedical Engineering, Detroit, Michigan, United States

Wayne State University, School of Medicine, Department of Dermatology, Detroit, Michigan, United States

Barbara Ann Karmanos Cancer Institute, Detroit, Michigan, United States

Adrian Podoleanu

University of Kent, School of Physical Sciences, Applied Optics Group, Canterbury, Kent, United Kingdom

J. Biomed. Opt. 22(5), 056009 (May 26, 2017). doi:10.1117/1.JBO.22.5.056009
History: Received January 18, 2017; Accepted May 1, 2017
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Abstract.  Optical coherence tomography (OCT) is capable of imaging microstructures within translucid samples. A time-domain version of the OCT technology is employed here due to its compatibility with the dynamic focus (DF) procedure. DF means moving the confocal gate in synchronism with the depth scanning via the coherence gate. A DF-OCT setup was implemented for imaging samples at 1300 nm. Its confocal gate of 180  μm allows the achievement of good and similar transversal resolution along its much larger axial range. Images of a phantom, human skin, teeth, and larynx with and without DF are demonstrated.

© 2017 Society of Photo-Optical Instrumentation Engineers

Citation

Mohammad R. N. Avanaki and Adrian Podoleanu
"En-face time-domain optical coherence tomography with dynamic focus for high-resolution imaging", J. Biomed. Opt. 22(5), 056009 (May 26, 2017). ; http://dx.doi.org/10.1117/1.JBO.22.5.056009


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