Fiber optic illumination module with fiber optic coupling
US8562195B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 22, 2011 |
| Grant date | Oct 22, 2013 |
| Priority date | — |
| Expiry date | Jul 4, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/4238
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A light-emitting module including a light-emitting device, a multi-mode optical fiber, and a housing accommodating the light-emitting device is disclosed. The optical fiber includes a core and first cladding, and has a covered fiber section including a second cladding and a bare fiber section which has a lens for receiving laser light emitted by a light-emitting end surface of the light-emitting device and is not covered with the second cladding. The housing includes an optical fiber penetration pipe for fixing a portion of the bare fiber section so that the light-emitting end surface and the lens face each other. In the optical fiber penetration pipe, the portion of the bare fiber section is fixed by a resin having a refractive index lower than that of the first cladding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.