Tissue microscopy using optical generation and detection of ultrasound

S. Ashkenazi, Russell S Witte, K. Kim, Y. Hou, M. O'Donnell

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Optical detection of ultrasound provides a unique and appealing way of forming detector arrays (1D or 2D). Etalon based optical techniques are of particular interest, due to their relatively high sensitivity resulting from multiple optical reflections within the resonance structure. Detector arrays formed by etalon based techniques are characterized by high element density and small element active area, which enables high resolution imaging at high ultrasonic frequencies (typically 10-50 MHz). Laser generated ultrasound using the photoacoustic effect has been demonstrated in recent years as a powerful imaging modality for medical and biological applications. A short laser pulse illuminates a tissue creating rapid thermal expansion and acoustic emission. Detection of the resulting acoustic field by a detector array enables the imaging of the tissue optical absorption using ultrasonic imaging methods. One of the most appealing features of photoacoustic imaging is that it provides access to tissue composition at the molecular level using multiple wavelength illumination.

Original languageEnglish (US)
Title of host publicationProceedings - IEEE Ultrasonics Symposium
Pages269-272
Number of pages4
Volume1
DOIs
StatePublished - 2005
Externally publishedYes
Event2005 IEEE Ultrasonics Symposium - Rotterdam, Netherlands
Duration: Sep 18 2005Sep 21 2005

Other

Other2005 IEEE Ultrasonics Symposium
CountryNetherlands
CityRotterdam
Period9/18/059/21/05

Fingerprint

Optical microscopy
Ultrasonics
Tissue
Imaging techniques
Photoacoustic effect
Detectors
Ultrasonic imaging
Acoustic fields
Acoustic emissions
Light absorption
Thermal expansion
Laser pulses
Lighting
Wavelength
Lasers
Chemical analysis

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Ashkenazi, S., Witte, R. S., Kim, K., Hou, Y., & O'Donnell, M. (2005). Tissue microscopy using optical generation and detection of ultrasound. In Proceedings - IEEE Ultrasonics Symposium (Vol. 1, pp. 269-272). [1602847] https://doi.org/10.1109/ULTSYM.2005.1602847

Tissue microscopy using optical generation and detection of ultrasound. / Ashkenazi, S.; Witte, Russell S; Kim, K.; Hou, Y.; O'Donnell, M.

Proceedings - IEEE Ultrasonics Symposium. Vol. 1 2005. p. 269-272 1602847.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ashkenazi, S, Witte, RS, Kim, K, Hou, Y & O'Donnell, M 2005, Tissue microscopy using optical generation and detection of ultrasound. in Proceedings - IEEE Ultrasonics Symposium. vol. 1, 1602847, pp. 269-272, 2005 IEEE Ultrasonics Symposium, Rotterdam, Netherlands, 9/18/05. https://doi.org/10.1109/ULTSYM.2005.1602847
Ashkenazi S, Witte RS, Kim K, Hou Y, O'Donnell M. Tissue microscopy using optical generation and detection of ultrasound. In Proceedings - IEEE Ultrasonics Symposium. Vol. 1. 2005. p. 269-272. 1602847 https://doi.org/10.1109/ULTSYM.2005.1602847
Ashkenazi, S. ; Witte, Russell S ; Kim, K. ; Hou, Y. ; O'Donnell, M. / Tissue microscopy using optical generation and detection of ultrasound. Proceedings - IEEE Ultrasonics Symposium. Vol. 1 2005. pp. 269-272
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