Optical fiber probe for an interferometric measuring device and method for manufacturing an optical fiber probe
US8077323B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 11, 2007 |
| Grant date | Dec 13, 2011 |
| Priority date | — |
| Expiry date | Aug 28, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/3845
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An optical fiber probe for an interferometric measuring device having a mechanical receptacle into which an optical fiber is inserted, having a fiber end piece which projects over the mechanical receptacle and contains optical components for guiding a measuring beam onto a measuring object, and having a reflection zone situated in the fiber for partial reflection of a light beam guided in the fiber. The reflection zone is situated in the fiber end piece. A method for manufacturing such an optical fiber probe. The fiber is separated at a predefined point, a partially reflecting coating is applied to at least one of the separation sites, and the two fiber parts are subsequently reconnected. The optical fiber probes may thus be manufactured with a long fiber end piece, which makes it possible to interferometrically measure deep cavities having a small diameter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.