Despeckling apparatus and method
US8786940B2 · kind B2 · utility
4Cited by
4References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 2010 |
| Grant date | Jul 22, 2014 |
| Priority date | — |
| Expiry date | May 10, 2032 |
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.