Real-time photoacoustic imaging based on multi-element linear transducer array

被引：0
|
作者：
Yin, BZ [1 ]
Xing, D [1 ]
Wang, Y [1 ]
Zeng, YG [1 ]
Tan, Y [1 ]
机构：
[1] S China Normal Univ, Inst Laser Life Sci, Guangzhou 510631, Peoples R China
来源：
OPTICS IN HEALTH CARE AND BIOMEDICAL OPTICS: DIAGNOSTICS AND TREATMENT II , PTS 1 AND 2 | 2005年 / 5630卷
关键词：
photoacoustic imaging; linear transducer array; phase-controlled method;
D O I：
10.1117/12.573521
中图分类号：
R446 [实验室诊断]; R-33 [实验医学、医学实验];
学科分类号：
1001 ;
摘要：
A real-time photoacoustic (PA) imaging system based on multi-element linear transducer array was developed and test on phantoms. A Q switched Nd:YAG laser operating at 532 nm and 20 Hz repeat rate was used in our experiment as thermal source. The multi-element linear transducer array consists of 320 elements. By phase-controlled method, 64 signals.. one of which gathered by 11-group element, make up of an image. It was acquired in only about 3 seconds. Phantom experiment results can map the distribution of the optical absorption correctly. Compared to other existing technology and algorithm.. the PA imaging based on transducer array was characterize by speediness and convenience. It can provide a new approach for tissue functional imaging in vivo, and may have potentials in developing into an appliance for clinic diagnosis.
引用
收藏
页码：105 / 113
页数：9
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