Optical radiation generator electrically controlled
US3996526A · kind A · utility
19Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 1975 |
| Grant date | Dec 7, 1976 |
| Priority date | — |
| Expiry date | Jun 30, 1995 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/0683
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An optical radiation generator, controlled by an input current, comprising a light emissive diode optically coupled to an optical waveguide and a photodiode located close to the radiating surface of the emissive diode for picking off a part of the optical radiation and for delivering a feedback current which is used in a current negative feedback loop. The light emissive diode, the extremity of the waveguide and the photodiode are encased in a transparent material providing optical coupling and mechanical stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.