Non-contact detection of laser-induced acoustic waves from buried absorbing objects using a dual-beam common-path interferometer

Steven Jacques, Peter E. Andersen, S. G. Hanson, L. R. Lindvold

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

3 Citations (Scopus)

Abstract

The feasibility of a noncontact all-optical probe for surface detection of laser-induced acoustic waves generated in buried absorbing objects was investigated. The goal is to detect subsurface optically absorbing objects, such as hemorrhages or vascularized tumors, which generate acoustic waves when slightly heated by a Q-switched laser pulse transported to an internal object by light diffusion within a turbid tissue. A dual-beam common-path interferometer was constructed to provide sensitive time-resolved detection of surface movements. Arrival of a pressure wave at one surface beam irradiation site before arrival at the other beam site caused a differential surface movement and a pathlength difference detected by the interferometer. The dynamic range of linear measurement was about 20 mbar - 200 bar at 20 mV/bar. The sensitivity (20 mV/bar) and noise level (10-30 mbar) of the interferometer matched or exceeded the performance of a lithium-niobate piezoelectric transducer. The point spread function of response was studied in liquid phantoms which demonstrated a null plane of no response in the plane symmetrically between the two beams. The ability to image an absorbing object at a depth of 11 mm within an aqueous phantom medium was demonstrated illustrating sub-mm resolution.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
EditorsS.L. Jacques
Pages307-318
Number of pages12
Volume3254
DOIs
StatePublished - 1998
EventLaser-Tissue Interaction IX - San Jose, CA, United States
Duration: Jan 26 1998Jan 28 1998

Other

OtherLaser-Tissue Interaction IX
CountryUnited States
CitySan Jose, CA
Period1/26/981/28/98

Fingerprint

Interferometers
interferometers
Acoustic waves
acoustics
Lasers
lasers
arrivals
Q switched lasers
hemorrhages
Piezoelectric transducers
piezoelectric transducers
Optical transfer function
point spread functions
lithium niobates
elastic waves
dynamic range
Tumors
Laser pulses
Lithium
tumors

Keywords

  • Biology
  • Interferometry
  • Laser
  • Medicine
  • Optical diagnostics
  • Optoacoustic
  • Photoacoustic imaging
  • Stress waves

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Jacques, S., Andersen, P. E., Hanson, S. G., & Lindvold, L. R. (1998). Non-contact detection of laser-induced acoustic waves from buried absorbing objects using a dual-beam common-path interferometer. In S. L. Jacques (Ed.), Proceedings of SPIE - The International Society for Optical Engineering (Vol. 3254, pp. 307-318) https://doi.org/10.1117/12.308178

Non-contact detection of laser-induced acoustic waves from buried absorbing objects using a dual-beam common-path interferometer. / Jacques, Steven; Andersen, Peter E.; Hanson, S. G.; Lindvold, L. R.

Proceedings of SPIE - The International Society for Optical Engineering. ed. / S.L. Jacques. Vol. 3254 1998. p. 307-318.

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

Jacques, S, Andersen, PE, Hanson, SG & Lindvold, LR 1998, Non-contact detection of laser-induced acoustic waves from buried absorbing objects using a dual-beam common-path interferometer. in SL Jacques (ed.), Proceedings of SPIE - The International Society for Optical Engineering. vol. 3254, pp. 307-318, Laser-Tissue Interaction IX, San Jose, CA, United States, 1/26/98. https://doi.org/10.1117/12.308178
Jacques S, Andersen PE, Hanson SG, Lindvold LR. Non-contact detection of laser-induced acoustic waves from buried absorbing objects using a dual-beam common-path interferometer. In Jacques SL, editor, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 3254. 1998. p. 307-318 https://doi.org/10.1117/12.308178
Jacques, Steven ; Andersen, Peter E. ; Hanson, S. G. ; Lindvold, L. R. / Non-contact detection of laser-induced acoustic waves from buried absorbing objects using a dual-beam common-path interferometer. Proceedings of SPIE - The International Society for Optical Engineering. editor / S.L. Jacques. Vol. 3254 1998. pp. 307-318
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