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Title: Non-contact optical system for detecting ultrasound waves from a surface

Abstract

A system for detecting pressure, acoustic or ultrasound waves within an entity having a surface including the steps of attaching a signal converting material to the surface. The waves are generated by direct ejection from the surface, generation via energy deposition on the surface, generated spontaneously or, generated by directing light energy to the light absorbing target. The absorbing target subsequently generates acoustic pressure waves. The acoustic waves propagate to the surface of the entity and the signal converting material, wherein the acoustic pressure waves create vibrations in the signal converting material; and detecting the waves in the signal converting material with an optical detection system. Information about the absorbing target is obtained by the absorbing target reflecting the waves. The signal converting material can be a gel-like material containing optical elements, a multi-layer patch, or other material.

Inventors:
;
Issue Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1576359
Patent Number(s):
10,390,709
Application Number:
13/983,736
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
DOE Contract Number:  
AC52-07NA27344
Resource Type:
Patent
Resource Relation:
Patent File Date: 2012 Mar 13
Country of Publication:
United States
Language:
English

Citation Formats

Demos, Stavros G., and Rubenchik, Alexander M. Non-contact optical system for detecting ultrasound waves from a surface. United States: N. p., 2019. Web.
Demos, Stavros G., & Rubenchik, Alexander M. Non-contact optical system for detecting ultrasound waves from a surface. United States.
Demos, Stavros G., and Rubenchik, Alexander M. Tue . "Non-contact optical system for detecting ultrasound waves from a surface". United States. https://www.osti.gov/servlets/purl/1576359.
@article{osti_1576359,
title = {Non-contact optical system for detecting ultrasound waves from a surface},
author = {Demos, Stavros G. and Rubenchik, Alexander M.},
abstractNote = {A system for detecting pressure, acoustic or ultrasound waves within an entity having a surface including the steps of attaching a signal converting material to the surface. The waves are generated by direct ejection from the surface, generation via energy deposition on the surface, generated spontaneously or, generated by directing light energy to the light absorbing target. The absorbing target subsequently generates acoustic pressure waves. The acoustic waves propagate to the surface of the entity and the signal converting material, wherein the acoustic pressure waves create vibrations in the signal converting material; and detecting the waves in the signal converting material with an optical detection system. Information about the absorbing target is obtained by the absorbing target reflecting the waves. The signal converting material can be a gel-like material containing optical elements, a multi-layer patch, or other material.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2019},
month = {8}
}

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Works referenced in this record:

Laser optical ultarasound detection using two interferometer systems
patent, January 1992


Ultrasonic medical system and associated method
patent, October 2000


Optoacoustic imaging for medical diagnosis
patent, November 1998


Composite ultrasound imaging apparatus and method
patent, September 1998