Carbon-Nanotube Optoacoustic Lens for Focused Ultrasound Generation and High-Precision Targeted Therapy

@inproceedings{Baac2012CarbonNanotubeOL,
  title={Carbon-Nanotube Optoacoustic Lens for Focused Ultrasound Generation and High-Precision Targeted Therapy},
  author={Hyoung Won Baac and Jong G. Ok and Adam D. Maxwell and Kyu-Tae Lee and Yu-Chih Chen and Anastasios John Hart and Zhen Xu and Euisik Yoon and L. Jay Guo},
  booktitle={Scientific reports},
  year={2012}
}
We demonstrate a new optical approach to generate high-frequency (>15 MHz) and high-amplitude focused ultrasound, which can be used for non-invasive ultrasound therapy. A nano-composite film of carbon nanotubes (CNTs) and elastomeric polymer is formed on concave lenses, and used as an efficient optoacoustic source due to the high optical absorption of the CNTs and rapid heat transfer to the polymer upon excitation by pulsed laser irradiation. The CNT-coated lenses can generate unprecedented… CONTINUE READING
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