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

被引：305
|
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
引用
收藏
页码：543 / 545
页数：3
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