国际光学工程学会
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作者:... Alejandro Garcia-Uribe , Konstantin I. Maslov , Lihong V. Wang
来源:[J].Journal of Biomedical Optics(IF 2.881), 2017, Vol.22 (4), pp.041017-041017SPIE
摘要:We have enhanced photoacoustic computed tomography with dry acoustic coupling that eliminates water immersion anxiety and wrinkling of the animal and facilitates incorporating complementary modalities and procedures. The dry acoustic coupler is made of a tubular elastic membrane ...
作者:... Song Hu , Konstantin I. Maslov , Lihong V. Wang
来源:[J].Journal of Biomedical Optics(IF 2.881), 2014, Vol.19 (9), pp.096011-096011SPIE
摘要:Accurate quantification of microvasculature remains of interest in fundamental pathophysiological studies and clinical trials. Current photoacoustic microscopy can noninvasively quantify properties of the microvasculature, including vessel density and diameter, with a high s...
作者:Konstantin I. Maslov , Lidai Wang
来源:[J].Journal of Biomedical Optics(IF 2.881), 2014, Vol.19 (4), pp.046007-046007SPIE
摘要:We propose a calibration-free photoacoustic (PA) method for transverse flow measurements. In this method, a pulsed periodically structured (i.e., grating patterned) optical beam is used to illuminate flowing absorptive particles in an optically scattering medium. The PA signal am...
作者:... Junjie Yao , Konstantin I. Maslov , Lihong V. Wang
来源:[J].Journal of Biomedical Optics(IF 2.881), 2014, Vol.19 (3), pp.037001-037001SPIE
摘要:Currently, laser fluence calibration is typically required for quantitative measurement of particle concentration in photoacoustic imaging. Here, we present a calibration-free method to quantify the absolute particle concentration by statistically analyzing photoacoustic signals....
作者:Konstantin I. Maslov , Jun Zou
来源:[J].Journal of Biomedical Optics(IF 2.881), 2012, Vol.17 (8), pp.080505-1-080505-3SPIE
摘要:By offering images with high spatial resolution and unique optical absorption contrast, optical-resolution photoacoustic microscopy (OR-PAM) has gained increasing attention in biomedical research. Recent developments in OR-PAM have improved its imaging speed, but have to sacrific...
作者:Konstantin I. Maslov , Wenxin Xing
来源:[J].Journal of Biomedical Optics(IF 2.881), 2013, Vol.18 (11), pp.117003-117003SPIE
摘要:We report the development of photoacoustic flowmetry assisted by high-intensity focused ultrasound (HIFU). This novel method employs HIFU to generate a heating impulse in the flow medium, followed by photoacoustic monitoring of the thermal decay process. Photoacoustic flowme...
作者:... Yong Zhou , Konstantin I. Maslov , Lihong V. Wang
来源:[J].Journal of Biomedical Optics(IF 2.881), 2013, Vol.18 (9), pp.096004-096004SPIE
摘要:A cross-correlation-based method is proposed to quantitatively measure transverse flow velocity using optical resolution photoacoustic (PA) microscopy enhanced with a digital micromirror device (DMD). The DMD is used to alternately deliver two spatially separated laser beams...
作者:Guo Li , Konstantin I. Maslov , Lihong V. Wang
来源:[J].Journal of Biomedical Optics(IF 2.881), 2013, Vol.18 (3), pp.030501-030501SPIE
摘要:Compared with single-focus optical-resolution photoacoustic microscopy (OR-PAM), multifocal OR-PAM utilizes both multifocal optical illumination and an ultrasonic array transducer, significantly increasing the imaging speed. A reflection-mode multifocal OR-PAM system based o...

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