Optical apparatus, optical system, and method for measuring an amount of strain of an object
US11536560B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 22, 2019 |
| Grant date | Dec 27, 2022 |
| Priority date | — |
| Expiry date | Aug 4, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B11/168
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An optical apparatus includes a coherent light source; a transmission assembly configured to receive light emitted by the coherent light source, split the light into object light and reference light so that the object light and the reference light travel along different paths receive object light reflected by an object to be measured, and combine the object light reflected by the object to be measured and the reference light; and a photosensitive camera disposed at an output of the transmission assembly, and configured to receive combined light and process the combined light to record light intensity information capable of characterizing a spatial position of a surface of the object to be measured.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.