Common-path optical coherence tomography using a microelectromechanical-system-based endoscopic probe

被引：8
|
作者：
Wang, Donglin [1 ,3 ]
Duan, Can [2 ]
Zhang, Xiaoyang [2 ]
Yun, Zhao [3 ]
Pozzi, Antonio [4 ]
Xie, Huikai [2 ,3 ]
机构：
[1] Zhengzhou Univ Light Ind, Sch Phys & Elect Engn, Zhengzhou 450002, Peoples R China
[2] Univ Florida, Dept Elect & Comp Engn, Gainesville, FL 32611 USA
[3] WiO Technol Ltd Co, Wuxi 214028, Peoples R China
[4] Univ Zurich, Clin Small Anim Surg, CH-8006 Zurich, Switzerland
来源：
APPLIED OPTICS | 2016年 / 55卷 / 25期
基金：
美国国家科学基金会;
关键词：
NUMERICAL DISPERSION COMPENSATION; HIGH-SPEED; ULTRAHIGH-RESOLUTION; DOPPLER TOMOGRAPHY; MIRROR; VELOCITY; INTERFEROMETER; SENSITIVITY; SCANNER; COLON;
D O I：
10.1364/AO.55.006930
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This paper presents a common-path (CP) swept-source optical coherence tomography (SSOCT) system based on a special endoscopic probe design with an in-line internal reflection as the reference and a two-axis electrothermal microelectromechanical system mirror for image scanning. The rear surface of a gradient reflective index (GRIN) lens inside the probe is set as the reference reflection plane. The length of the GRIN lens is optimized to eliminate the artifacts in SSOCT images successfully. Doppler OCT is also demonstrated based on the CP endoscopic probe. The diameter of the probe is only 2.5 mm, so it can be easily inserted into the biopsy channel of traditional endoscopes to access human internal organs for in vivo diagnoses. (C) 2016 Optical Society of America
引用
收藏
页码：6930 / 6935
页数：6
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