Laser array
US4760580A · kind A · utility
19Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1987 |
| Grant date | Jul 26, 1988 |
| Priority date | — |
| Expiry date | Mar 31, 2007 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/4062
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An injection laser array has 2.sup.n output elements (1) coupled by Y couplers (2, 4, 6) and (n-1) in sets of intermediate elements to a single element (7) in a tree configuration. The face end of the single element is provided with a high reflectivity coating (8) while those of the 2.sup.n output elements are provided with low a reflectivity coating (9).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.