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Proceedings Paper

Super-achromatic microprobe for ultrahigh-resolution endoscopic OCT imaging at 800 nm (Conference Presentation)
Author(s): Wu Yuan; Milad Alemohammad; Xiaoyun Yu; Shaoyong Yu; Xingde Li
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Paper Abstract

In this paper, we report a super-achromatic microprobe made with fiber-optic ball lens to enable ultrahigh-resolution endoscopic OCT imaging. An axial resolution of ~2.4 µm (in air) can be achieved with a 7-fs Ti:Sapphire laser. The microprobe has minimal astigmatism which affords a high transverse resolution of ~5.6 µm. The miniaturized microprobe has an outer diameter of ~520 µm including the encasing metal guard and can be used to image small luminal organs. The performance of the ultrahigh-resolution OCT microprobe was demonstrated by imaging rat esophagus, guinea pig esophagus, and mouse rectum in vivo.

Paper Details

Date Published:
PDF: 1 pages
Proc. SPIE 9697, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XX, 969712; doi: 10.1117/12.2214776
Show Author Affiliations
Wu Yuan, Johns Hopkins Univ. (United States)
Milad Alemohammad, Johns Hopkins Univ. (United States)
Xiaoyun Yu, Johns Hopkins Univ. (United States)
Shaoyong Yu, Johns Hopkins Univ. (United States)
Xingde Li, Johns Hopkins Univ. (United States)


Published in SPIE Proceedings Vol. 9697:
Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XX
Joseph A. Izatt; James G. Fujimoto; Valery V. Tuchin, Editor(s)

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