Photoacoustic and hyperspectral dual-modality endoscope

被引：27
作者：
Liu, Ning [1 ,2 ]
Yang, Sihua [1 ,2 ]
Xing, Da [1 ,2 ]
机构：
[1] South China Normal Univ, Coll Biophoton, MOE Key Lab Laser Life Sci, Guangzhou 510631, Guangdong, Peoples R China
[2] South China Normal Univ, Coll Biophoton, Inst Laser Life Sci, Guangzhou 510631, Guangdong, Peoples R China
来源：
OPTICS LETTERS | 2018年 / 43卷 / 01期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1364/OL.43.000138
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have developed a dual-modality endoscope composed of photoacoustic (PA) and hyperspectral imaging, capable of visualizing both structural and functional properties of bio-tissue. The endoscope's composition and scanning mechanism was described, and the feasibility of the dual-modality endoscope was verified by mimic phantom experiments. Lately, we demonstrated its endoscopic workability through in vivo experiments. The experimental results showed that the proposed herein hybrid endoscope can provide optical imaging of the surface and tomography imaging for the deeper features, and a functional oxygen saturation rate map of the same imaging area. We demonstrated optical-resolution PA imaging of vascular structures and an oxygen saturation rate map in a rabbit's rectum. It confirmed that this dual-modality endoscope can play an important role in comprehensive clinical applications. (C) 2017 Optical Society of America
引用
收藏
页码：138 / 141
页数：4
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