Journal of Innovative Optical Health Sciences, Volume. 10, Issue 4, 1730003(2017)
Low-cost photoacoustic imaging systems based on laser diode and light-emitting diode excitation
Photoacoustic imaging, an emerging biomedical imaging modality, holds great promise for preclinical and clinical researches. It combines the high optical contrast and high ultrasound resolution by converting laser excitation into ultrasonic emission. In order to generate photoacoustic signal efficiently, bulky Q-switched solid-state laser systems are most commonly used as excitation sources and hence limit its commercialization. As an alternative, the miniaturized semiconductor laser systemhas the advantages of being inexpensive, compact, and robust, which makes a significant effect on production-forming design. It is also desirable to obtain a wavelength in a wide range fromvisible to nearinfrared spectrumformultispectral applications. Focussing on practical aspect, this paper reviews the state-of-the-art developments of low-cost photoacoustic system with laser diode and light-emitting diode excitation source and highlights a few representative installations in the past decade.
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Qingkai Yao, Yu Ding, Guodong Liu, Lvming Zeng. Low-cost photoacoustic imaging systems based on laser diode and light-emitting diode excitation[J]. Journal of Innovative Optical Health Sciences, 2017, 10(4): 1730003
Received: Mar. 30, 2017
Accepted: Mar. 9, 2017
Published Online: Dec. 27, 2018
The Author Email: Liu Guodong (liuguodong95@163.com)