Photoacoustic doppler effect from flowing small light-absorbing particles

被引：123

作者：

Fang, Hui ^{[1
]}

Maslov, Konstantin ^{[1
]}

Wang, Lihong V. ^{[1
]}

机构：

[1] Washington Univ, Opt Imaging Lab, Dept Biomed Engn, St Louis, MO 63130 USA

来源：

PHYSICAL REVIEW LETTERS | 2007年 / 99卷 / 18期

关键词：

D O I：

10.1103/PhysRevLett.99.184501

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

From the flow of a suspension of micrometer-scale carbon particles, the photoacoustic Doppler shift is observed. As predicted theoretically, the observed Doppler shift equals half of that in Doppler ultrasound and does not depend on the direction of laser illumination. This new physical phenomenon provides a basis for developing photoacoustic Doppler flowmetry, which can potentially be used for detecting fluid flow in optically scattering media and especially low-speed blood flow of relatively deep microcirculation in biological tissue.

引用

页数：4

共 25 条

[1]

ANDREW CT, 1986, REV MOD PHYS, V58, P381

[2]

ATKINSON P, 1982, DOPPLER ULTRASOUND I

[3] THERMOACOUSTIC RADIATION OF SOUND BY A MOVING LASER SOURCE [J].

BERTHELOT, YH ;

BUSCHVISHNIAC, IJ .

JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 1987, 81 (02) :317-327

[4]

Bohren C. F., 1983, ABSORPTION SCATTERIN

[5]

BRODY WR, 1974, IEEE T BIO-MED ENG, VBM21, P183, DOI 10.1109/TBME.1974.324381

[6] Optical Doppler tomography [J].

Chen, ZP ;

Zhao, YH ;

Srinivas, SM ;

Nelson, JS ;

Prakash, N ;

Frostig, RD .

IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS, 1999, 5 (04) :1134-1142

[7] PHOTOACOUSTIC MONOPOLE RADIATION IN 1-DIMENSION, 2-DIMENSION, AND 3-DIMENSION [J].

DIEBOLD, GJ ;

SUN, T ;

KHAN, MI .

PHYSICAL REVIEW LETTERS, 1991, 67 (24) :3384-3387

[8] Laser photothermoacoustic heterodyned lock-in depth profilometry in turbid tissue phantoms [J].

Fan, Y ;

Mandelis, A ;

Spirou, G ;

Vitkin, IA ;

Whelan, WM .

PHYSICAL REVIEW E, 2005, 72 (05)

[9]

Gusev V. E., 1993, LASER OPTOACOUSTICS

[10] Ultrasound Doppler measurements of low velocity blood flow: Limitations due to clutter signals from vibrating muscles [J].

Heimdal, A ;

Torp, H .

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 1997, 44 (04) :873-881

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