Light limiter
US6539153B2 · kind B2 · utility
4Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2001 |
| Grant date | Mar 25, 2003 |
| Priority date | — |
| Expiry date | Mar 26, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/395
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The object of the present invention is to provide a light limiter which can control the generation of an optical surge, comprises few components, and has high reliability; in order to achieve the object, the light limiter of the present invention comprise a parametric amplification element parametrically amplifying an input signal light, and a wavelength selection element removing a wavelength component, excepting a specified wavelength, from among the signal light output from said parametric amplification element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.