Suppression of back reflection in a waveguide
US9335478B2 · kind B2 · utility
0Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 9, 2012 |
| Grant date | May 10, 2016 |
| Priority date | — |
| Expiry date | Oct 9, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/29341
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A structure for guiding electromagnetic radiation, including: a substrate; a waveguide provided on the substrate and having a first end for receiving electromagnetic radiation and a second end; and an anti-reflection region provided at the second end of the waveguide on the substrate, the length and the width of the anti-reflection region being optimized to suppress back reflection of radiation that reaches the second end.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.