Photoacoustic microscopy by scanning mirror-based synthetic aperture focusing technique

被引：11
作者：
Cai, De [1 ]
Li, Zhongfei [1 ]
Chen, Sung-Liang [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Univ Michigan Shanghai Jiao Tong Univ Joint Inst, Shanghai 200240, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2015年 / 13卷 / 10期
基金：
中国国家自然科学基金;
关键词：
ULTRASOUND; RESOLUTION;
D O I：
10.3788/COL201513.101101
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Photoacoustic imaging with a synthetic aperture focusing technique (SAFT) is an effective method to improve the lateral resolution for out-of-focus regions in scanning microscopy systems, which commonly require a decent motorized scanning stage for a lateral scan of a transducer to obtain a cross-sectional image. In this study, we propose and test a photoacoustic imaging system with a scanning mirror-based SAFT (SM-SAFT) for simple and fast data acquisition, without the need for a physical scan of the transducer. Photoacoustic images of hair phantoms acquired by SM-SAFT are demonstrated, serving as a proof-of-concept experiment to show the feasibility and potential of the proposed approach.
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页数：4
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