System, method, and apparatus for digital holographic vibration imaging with integrated system phase correction
US12045010B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 26, 2023 |
| Grant date | Jul 23, 2024 |
| Priority date | — |
| Expiry date | Dec 26, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03H2222/33
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An example system includes a master oscillator that provides a master oscillator beam, a first fiber beam splitter that splits the master oscillator beam into a first branch and a second branch, a second fiber beam splitter that splits the first branch into an imaging branch and an amplified characteristic branch, and a compensation branch mixer that mixes the second branch and the amplified characteristic branch into a compensation branch. The example system includes transmission optics that direct the imaging branch to a target location, an imaging mixer that mixes the compensation branch and a reflected image from the target location into an imaging signal, and an acquisition device that receives the imaging signal as a final image. An example system optionally includes a mode matching lens that applies a selected wavefront characteristic to the compensation branch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.