Feasibility of noncontact piezoelectric detection of photoacoustic signals in tissue-mimicking phantoms.
The feasibility of air-coupled ultrasound transducers to detect laser-induced ultrasound from artificial blood vessels embedded in an optically scattering phantom is demonstrated. These air-coupled transducers allow new applications in biomedical photoacoustic imaging where contact with tissue is not preferred. One promising application of such transducers is the addition of photoacoustic imaging to the regular x-ray mammographic screening procedure.
University of Twente, MIRA Institute for Biomedical Technology and Technical Medicine, BioMedical Photonic Imaging, P.O. Box 217, 7500 AE Enschede, The Netherlands. r.g.m.kolkman@utwente.nl
Roy G M
RG
Kolkman
Erik
E
Blomme
Tijl
T
Cool
Mattias
M
Bilcke
Ton G
TG
van Leeuwen
Wiendelt
W
Steenbergen
Kees A
KA
Grimbergen
Gerard J
GJ
den Heeten
D000162:Acoustics; D001808:Blood Vessels / Q000000981:diagnostic imaging; D001943:Breast Neoplasms / Q000098:blood supply / Q000175:diagnosis / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D007834:Lasers; D055620:Optical Phenomena; D019047:Phantoms, Imaging; D012815:Signal Processing, Computer-Assisted; D014159:Transducers; D016217:Ultrasonography, Mammary / Q000379:methods*