Wavelength-selectable laser capable of high-speed frequency control
US6847662B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 28, 2003 |
| Grant date | Jan 25, 2005 |
| Priority date | — |
| Expiry date | Feb 28, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/142
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A wavelength-selectable laser with a resonance region formed by two reflecting surfaces include a gain medium generating a laser beam, a first filter, and a second filter. The first filter has a first controllable transmission region and transmits a first predetermined wavelength region of the laser beam generated in the gain medium, the first predetermined wavelength region matching the first controllable transmission region. The second filter has a plurality of periodically arranged second transmission regions and transmits a second predetermined wavelength region of the laser beam transmitted by the first filter, the second predetermined wavelength region matching one of the second transmission regions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.