Flexible miniature compound lens design for high-resolution optical coherence tomography balloon imaging catheter

被引：48

作者：

Fu, Henry L. ^{[1
]}

Leng, Yuxin ^{[1
]}

Cobb, Michael J. ^{[1
]}

Hsu, Kevin ^{[2
]}

Hwang, Joo Ha ^{[3
]}

Li, Xingde ^{[1
]}

机构：

[1] Univ Washington, Dept Bioengn, Seattle, WA 98195 USA

[2] Micron Opt, Atlanta, GA 30345 USA

[3] Univ Washington, Dept Med, Div Gastroenterol, Seattle, WA 98195 USA

来源：

JOURNAL OF BIOMEDICAL OPTICS | 2008年 / 13卷 / 06期

基金：

美国国家科学基金会; 美国国家卫生研究院;

关键词：

optical coherence tomography; endomicroscopy; balloon catheter; internal organ imaging;

D O I：

10.1117/1.3037340

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

We report on a new optics design for an optical coherence tomography (OCT) balloon imaging catheter. The design involves a miniature compound gradient-index (GRIN) rod lens, which consists of a fiber optic mode-field reducer and relay rod lenses to achieve predictable high lateral resolution at a desired large working distance. The compound lens design significantly simplifies the engineering process for an OCT catheter and enables 3-D full circumferential cross sectional imaging of large luminal organs such as human esophagus. An as-designed OCT catheter is developed and demonstrated for real-time in vivo swine esophagus imaging in a 3-D spiral fashion. (C) 2008 Society of Photo-Optical Instrumentation Engineers. [DOI: 10.1117/1.3037340]

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页数：3

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