TY - GEN
T1 - Simultaneous spatial and spectral characterization of flow using photoacoustic doppler in a turbid media
AU - Sheinfeld, Adi
AU - Gilead, Sharon
AU - Eyal, Avishay
PY - 2010
Y1 - 2010
N2 - Spatial and spectral analysis of flow based on the Photoacoustic Doppler (PAD) effect with tone-burst excitation and time-gated spectral analysis is demonstrated using a model emulating a blood-vessel in a turbid medium. The proposed method mimics pulsed Doppler ultrasound and enables simultaneous measurement of axial position and flow with full characterization of the Doppler spectrum. A wide range of flow velocities in both infusion and withdrawal modes were generated in the phantom. Two-dimensional maps of velocity vs. axial position along with comparison of the estimated velocity to the theoretical prediction demonstrated the feasibility of this method for flow characterization.
AB - Spatial and spectral analysis of flow based on the Photoacoustic Doppler (PAD) effect with tone-burst excitation and time-gated spectral analysis is demonstrated using a model emulating a blood-vessel in a turbid medium. The proposed method mimics pulsed Doppler ultrasound and enables simultaneous measurement of axial position and flow with full characterization of the Doppler spectrum. A wide range of flow velocities in both infusion and withdrawal modes were generated in the phantom. Two-dimensional maps of velocity vs. axial position along with comparison of the estimated velocity to the theoretical prediction demonstrated the feasibility of this method for flow characterization.
UR - http://www.scopus.com/inward/record.url?scp=78651239495&partnerID=8YFLogxK
U2 - 10.1109/EEEI.2010.5662145
DO - 10.1109/EEEI.2010.5662145
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AN - SCOPUS:78651239495
SN - 9781424486809
T3 - 2010 IEEE 26th Convention of Electrical and Electronics Engineers in Israel, IEEEI 2010
SP - 618
EP - 620
BT - 2010 IEEE 26th Convention of Electrical and Electronics Engineers in Israel, IEEEI 2010
T2 - 2010 IEEE 26th Convention of Electrical and Electronics Engineers in Israel, IEEEI 2010
Y2 - 17 November 2010 through 20 November 2010
ER -