Despeckling apparatus and method
US10048566B2 · kind B2 · utility
0Cited by
8References
19Claims
0Family size
Inventors
Key dates
| Filing date | Dec 23, 2013 |
| Grant date | Aug 14, 2018 |
| Priority date | — |
| Expiry date | Feb 16, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S2301/02
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus and method that reduces laser speckle by using stimulated Raman scattering in an optical fiber. The fiber core diameter and length are selected to achieve a desired output color. An adjustable despeckler is formed by combining two optical fibers in parallel and adjusting the amount of light in each path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.