High-speed submillimeter magnetic-driven rotational scanning side-imaging OCT probe

被引：5

作者：

Zhang, Chi ^{[1
]}

Yang, Fan ^{[1
]}

Wang, Fu ^{[1
]}

Tan, Qingyue ^{[1
]}

He, Hao ^{[1
]}

Zhang, Su ^{[1
]}

Wu, Jigang ^{[2
,3
]}

Tu, Shengxian ^{[1
,4
]}

机构：

[1] Shanghai Jiao Tong Univ, Biomed Instrument Inst, Sch Biomed Engn, Shanghai, Peoples R China

[2] Shanghai Jiao Tong Univ, Univ Michigan, Shanghai Jiao Tong Univ Joint Inst, Biophoton Lab, Shanghai, Peoples R China

[3] Shanghai Jiao Tong Univ, Univ Michigan, Shanghai JiaoTong Univ Joint Inst, Biophoton Lab, Shanghai 200240, Peoples R China

[4] Shanghai Jiao Tong Univ, Biomed Instrument Inst, Sch Biomed Engn, Shanghai 200030, Peoples R China

来源：

JOURNAL OF BIOPHOTONICS | 2023年 / 16卷 / 10期

基金：

中国国家自然科学基金;

关键词：

fiber optic probe; magnetic-driven; optical coherence tomography; OPTICAL COHERENCE TOMOGRAPHY; IN-VIVO; MICROMOTOR; ENDOSCOPE; CATHETER;

D O I：

10.1002/jbio.202300106

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A high-speed side-imaging magnetic-driven scanning (MDS) probe is proposed for endoscopic optical coherence tomography (OCT). In the distal end of the probe, a reflecting micromirror is attached to a tiny magnet, which is driven by an external fast-rotating magnetic field to achieve unobstructed 360-degree side-view scanning. A prototype probe was fabricated with an outer diameter of 0.89 mm. Using the prototype probe, OCT images of an ex vivo porcine artery with implanted stent were acquired in 100 frames per second. The OCT engine was a swept-source system, and the system sensitivity with the prototype probe was 95 dB with an output power of 6 mW. The axial and lateral resolutions of the system were 10.3 and 39.7 mu m, respectively. The highspeed submillimeter MDS-OCT probe provides a promising alternative endoscopic OCT solution for intravascular imaging applications.

引用

页数：8

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