System and method for photoacoustic inspection of an object
US12259361B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 15, 2021 |
| Grant date | Mar 25, 2025 |
| Priority date | — |
| Expiry date | Oct 17, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2021/1706
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The disclosure includes a system for photoacoustic inspection of an object. The system includes a broadband emission source configured to generate an emission beam, a direction apparatus including at least one spectrum splitter configured to split the emission beam into at least a first and a second component, the direction apparatus being configured to sequentially direct the respective components to N respective locations on the object at N times to generate N respective acoustic waves within the object. The N respective locations and N times are such that the respective N acoustic waves at least semi-constructively interfere to generate a respective propagating acoustic wave within the object. The system also includes a vibration sensing system configured to detect said respective propagating acoustic waves at a respective detection location on the object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.