Astigmatism-corrected endoscopic imaging probe for optical coherence tomography using soft lithography

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dc.contributor.authorLee, Min Wooko
dc.contributor.authorKim, Yeon Hoonko
dc.contributor.authorXing, Jingchaoko
dc.contributor.authorYoo, Hongkiko
dc.date.accessioned2020-10-08T02:55:16Z-
dc.date.available2020-10-08T02:55:16Z-
dc.date.created2020-09-21-
dc.date.created2020-09-21-
dc.date.issued2020-09-
dc.identifier.citationOPTICS LETTERS, v.45, no.17, pp.4867 - 4870-
dc.identifier.issn0146-9592-
dc.identifier.urihttp://hdl.handle.net/10203/276501-
dc.description.abstractIn endoscopic optical coherence tomography, a transparent protective sheath is used to protect the optics and tissue. However, the sheath causes astigmatism, which degrades transverse resolution and signal-to-noise ratio due to the cylindrical lens effect. Generally used methods for correcting this astigmatism are complex, difficult to control precisely, high-cost, and increase the dimensions of the imaging probe. To overcome these problems, we have developed an astigmatism-corrected imaging probe with an epoxy window. The astigmatism is precisely and cost-effectively adjusted controlling the curvature radius of the epoxy window, which is produced by soft lithography. Using the fiber optic fission splicing, the fabrication process is simple. The fabricated imaging probe is almost monolithic, so its diameter is similar to that of a standard single-mode fiber. We demonstrate its astigmatism-correcting performance using focal spot analysis, imaging micro-beads and a biological sample. (C) 2020 Optical Society of America-
dc.languageEnglish-
dc.publisherOPTICAL SOCIETY OF AMERICA-
dc.titleAstigmatism-corrected endoscopic imaging probe for optical coherence tomography using soft lithography-
dc.typeArticle-
dc.identifier.wosid000564921500054-
dc.identifier.scopusid2-s2.0-85090180132-
dc.type.rimsART-
dc.citation.volume45-
dc.citation.issue17-
dc.citation.beginningpage4867-
dc.citation.endingpage4870-
dc.citation.publicationnameOPTICS LETTERS-
dc.identifier.doi10.1364/OL.400383-
dc.contributor.localauthorYoo, Hongki-
dc.contributor.nonIdAuthorLee, Min Woo-
dc.contributor.nonIdAuthorXing, Jingchao-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordPlusREFRACTIVE-INDEX-
dc.subject.keywordPlusEXTENDED DEPTH-
dc.subject.keywordPlusMICROSCOPY-
dc.subject.keywordPlusOCT-
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