Scanning single-mode fiber optic catheter-endoscope for optical coherence tomography

被引：303

作者：

Tearney, GJ ^{[1
]}

Boppart, SA ^{[1
]}

Bouma, BE ^{[1
]}

Brezinski, ME ^{[1
]}

Weissman, NJ ^{[1
]}

Southern, JF ^{[1
]}

Fujimoto, JG ^{[1
]}

机构：

[1] MASSACHUSETTS GEN HOSP,BOSTON,MA 02114

来源：

OPTICS LETTERS | 1996年 / 21卷 / 07期

关键词：

D O I：

10.1364/OL.21.000543

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We describe a new optical coherence tomography catheter-endoscope for micrometer-scale, cross-sectional imaging in internal organ systems. The catheter-endoscope uses single-mode fiber optics with a novel transverse scanning design. The distal end of the catheter-endoscope uses a gradient-index lens with a microprism to emit and collect a single spatial-mode optical beam with specific focusing characteristics. The beam is scanned in a circumferential pattern and can image transverse cross sections through the structure into which it is inserted. A device with a diameter as small as 1.1 mm has been achieved, and imaging of in vitro human venous morphology is demonstrated. (C) 1996 Optical Society of America

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页码：543 / 545

页数：3

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