Design and Implementation of Fiber Lenses for Ultra-Small Probes Used in Biomedical Imaging

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DOIResolve DOI: http://doi.org/10.1117/12.754725
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TypeArticle
Proceedings titleOptics in Health Care and Biomedical Optics III
Series titleProceedings of SPIE; no. 6826
ConferenceOptics in Health Care and Biomedical Optics III, November 12-15, 2007, Beijing, China
ISSN0277-786X
ISBN9780819470010
0819470015
Article number68261A
Pages68261A-168261A-9; # of pages: 9
AbstractQuality and parameters of probing optical beams are extremely important in biomedical imaging systems both for image quality and light coupling efficiency considerations. For example, the shape, size, focal position, and focal range of such beams could have a great impact on the lateral resolution, penetration depth, and signal-to-noise ratio of the image in optical coherence tomography. We present a design, construction and characterization of different variations of GRIN and ball fiber lenses, which were recently proposed for ultra-small biomedical imaging probes. Those fiber lens modules are made of a single mode fiber and a GRIN or ball fiber lens with or without a fiber spacer between them. The lens diameters are smaller than 0.3 mm. We discuss design methods, fabrication techniques, and measured performance compared with modeling results.
Publication date
LanguageEnglish
AffiliationNRC Institute for Microstructural Sciences; National Research Council Canada
Peer reviewedNo
NPARC number12346534
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Record identifier6f0df434-c520-4ab6-a14b-09dd104364fa
Record created2009-09-17
Record modified2017-09-13
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