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 Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1576359
- Patent Number(s):
- 10390709
- Application Number:
- 13/983,736
- Assignee:
- Lawrence Livermore National Security, LLC (Livermore, CA)
- Patent Classifications (CPCs):
-
A - HUMAN NECESSITIES A61 - MEDICAL OR VETERINARY SCIENCE A61B - DIAGNOSIS
- 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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