期刊
OPTICS LETTERS
卷 29, 期 19, 页码 2261-2263出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.29.002261
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资金
- NCI NIH HHS [R01-CA75289-06] Funding Source: Medline
- NEI NIH HHS [R01-EY11289-18] Funding Source: Medline
A distally actuated, rotational-scanning micrometer endoscope catheter probe is demonstrated for ultrahigh-resolution in vivo endoscopic optical coherence tomography (OCT) imaging. The probe permits focus adjustment for visualization of tissue morphology at varying depths with improved transverse resolution compared with standard OCT imaging probes. The distal actuation avoids nonuniform scanning motion artifacts that are present with other probe designs and can permit a wider range of imaging speeds. Ultrahigh-resolution endoscopic imaging is demonstrated in a rabbit with <4-mum axial resolution by use of a femtosecond Cr:forsterite laser light source. The micrometer endoscope catheter probe promises to improve OCT imaging performance in future endoscopic imaging applications. (C) 2004 Optical Society of America.
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