Multicore optical fiber with integral diffractive elements machined by ultrafast laser direct writing
US7587110B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2005 |
| Grant date | Sep 8, 2009 |
| Priority date | — |
| Expiry date | May 30, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2006/0209
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A multicore optical fiber with an integral diffractive element. The multicore optical fiber includes: a first optical fiber core formed of a non-photosensitive material having an initial index of refraction; and a second optical fiber core including a second longitudinal core axis substantially parallel to the first longitudinal axis. The first optical fiber core includes: a first longitudinal core axis; and a number of index-altered portions having an altered index of refraction which is different from the initial index of refraction. The index-altered portions are arranged within the non-photosensitive material of the first optical fiber core to form a diffractive structure of the integral diffractive element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.