Hermetically sealed transmitter optical subassembly
US6757308B1 · kind B1 · utility
25Cited by
1References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 22, 2002 |
| Grant date | Jun 29, 2004 |
| Priority date | — |
| Expiry date | Jul 30, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/0222
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
During assembly of a transmitter optical subassembly (TOSA), an alignment in Z-direction between a fiber stub array (FSA) and a VCSEL array is performed first, then an alignment in X-Y direction is performed. A rough pre-alignment in X-Y direction may also be performed prior to the alignment in Z-direction. A vertical cavity surface emitting laser (VCSEL) array may be hermetically sealed using a lens assembly or by using a separate lid assembly. The hermetic sealing and attaching of different components may be achieved by laser welding and/or soldering or any other suitable method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.