Liquid acoustic lens for photoacoustic tomography

被引：32
|
作者：
Song, Chaolong [1 ]
Xi, Lei [1 ]
Jiang, Huabei [1 ]
机构：
[1] Univ Florida, Dept Biomed Engn, Gainesville, FL 32611 USA
来源：
OPTICS LETTERS | 2013年 / 38卷 / 15期
关键词：
MICROSCOPY; SYSTEM;
D O I：
10.1364/OL.38.002930
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Recently, intensive research has been conducted to accelerate the development of photoacoustic (PA) imaging modality for biomedical applications. The use of acoustic lenses to collect ultrasound signals is of great interest. This Letter presents the design and fabrication of a liquid acoustic diverging lens, which can enlarge the acceptance angle of an ultrasound transducer. This lens possesses an inherent advantage of low acoustic impedance and the convenience to be attached to or detached from a commercial flat transducer. Phantom experiments have been carried out to demonstrate the improvement of using such a liquid lens over using a bare transducer for PA tomography. (C) 2013 Optical Society of America
引用
收藏
页码：2930 / 2933
页数：4
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