期刊
OPTICS LETTERS
卷 39, 期 7, 页码 2016-2019出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.39.002016
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类别
资金
- National Institutes of Health [EB007636, CA153023]
- Hartwell Foundation
We present a novel design for an endoscopic imaging catheter utilizing diffractive optics for ultrahigh-resolution optical coherence tomography (OCT) imaging at 800 nm. A diffractive microlens was developed to alleviate severe chromatic aberration when a broadband light source was employed at the 800 nm wavelength range. Combined with a home-built fiber rotary joint and a broadband Ti: sapphire laser, the imaging catheter achieved a lateral resolution of 6.2 mu m and an axial resolution of 3.0 mu m in air. The performance of the catheter was demonstrated by three-dimensional full-circumferential endoscopic OCT imaging of guinea pig esophagus in vivo. (C) 2014 Optical Society of America
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