Broadband laser lamp with reduced speckle
US7620091B2 · kind B2 · utility
6Cited by
5References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 16, 2006 |
| Grant date | Nov 17, 2009 |
| Priority date | — |
| Expiry date | Jun 12, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/32341
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention is directed to a laser resonator emitting visible radiation with reduced speckle noise, wherein said optical resonator is formed by at least two mirrors at both ends of a visible radiation emitting lasing material, wherein that optical resonator enhances multimode operation, so that said visible radiation emitting lasing material emits a spectrally broadened visible radiation, wherein the enveloping function of said spectrally broadened visible radiation has a full width at half maximum (FWHW) within 1 nm to 15 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.