Characterization of laser ultrasound source signals in biological tissues for imaging applications

Short optical pulses emitted from a tunable Q-switched laser (800 to 2000 nm) generate laser ultrasound (LUS) signals at the surface of biological tissue. The LUS signal's acoustic frequency content, dependence on sample type, and optical wavelength are observed in the far field. The experiment...

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Veröffentlicht in:	Journal of biomedical optics 2019-02, Vol.24 (2), p.1
Hauptverfasser:	Fincke, Jonathan R, Wynn, Charles M, Haupt, Rob, Zhang, Xiang, Rivera, Diego, Anthony, Brian
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption Absorptivity Acoustic attenuation Acoustic frequencies Acoustics Diagnostic Imaging - methods Energy Far fields Image quality Imaging techniques Lasers Medical imaging Medical research Optical pulses Piezoelectricity Q switched lasers Special Section on Translational Biophotonics Steel pipes Surface chemistry Surface roughness Tissues Tunable lasers Ultrasonic imaging Ultrasonic testing Ultrasonics - methods Ultrasonography - methods Ultrasound Wavelength Wavelengths
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