基于非周期极化铌酸锂的新型光声成像脉冲源的研制。
Development of a new pulsed source for photoacoustic imaging based on aperiodically poled lithium niobate.
作者信息
Yankelevich Diego, González J E, Cudney Roger S, Ríos Luis A, Marcu Laura
机构信息
Department of Electrical and Computer Engineering, University of California, 3101 Kemper Hall, Davis, California, 95616, USA ; Department of Biomedical Engineering, University of California, 451 Health Sciences Drive, Davis, California, 95616, USA.
Department of Optics, Centro de Investigación Científica y Educación Superior de Ensenada, Ensenada 22880, Mexico.
出版信息
Biomed Opt Express. 2014 Jan 13;5(2):468-73. doi: 10.1364/BOE.5.000468. eCollection 2014 Feb 1.
We present the development of a source of deep-red radiation for photoacoustic imaging. This source, which is based on two cascaded wavelength conversion processes in aperiodically poled lithium niobate, emits 10 nanosecond pulses of over 500 µJ at 710 nm. Photoacoustic images were obtained from phantoms designed to mimic the optical and acoustic properties of oral tissue. Results indicate this device is a viable source of optical pulses for photoacoustic applications.
我们展示了一种用于光声成像的深红色辐射源的研制情况。该源基于非周期极化铌酸锂中的两个级联波长转换过程，在710纳米处发射能量超过500微焦的10纳秒脉冲。从旨在模拟口腔组织光学和声学特性的体模中获取了光声图像。结果表明，该装置是用于光声应用的一种可行的光脉冲源。
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