@inproceedings{viator98a,
  author = {J. A. Viator and S. L. Jacques and S. A. Prahl},
  title = {Generating Subsurface Acoustic Waves in Indocyanine Green Stained Elastin Biomaterial Using a {Q}-Switched Laser},
  booktitle = {SPIE Proceedings of Laser-Tissue Interaction IX},
  year = {1998},
  editor = {S. L. Jacques},
  pages = {104--111},
  volume = {3254},
  abstract = {A Q-switched frequency-doubled Nd-YAG laser coupled to an optical parametric oscillator generated 4.75\,ns 800\,nm laser pulses to create a subsurface acoustic wave in planar indocyanine green gel samples and flat segments of elastin biomaterial stained with indocyanine green. The acoustic waves traveled through the target and were detected by a piezoelectric transducer. The waveforms were converted to measurements of pressure (and temperature) as a function of depth in the material. An algorithm was developed and applied to the acoustic signals to extract information about the absorption coefficient as a function of depth in the samples.},
}