Fiber optic rotary joint for use in an optical energy transfer and conversion system
US10578808B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 27, 2015 |
| Grant date | Mar 3, 2020 |
| Priority date | — |
| Expiry date | May 27, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10N10/13
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A fiber optic rotary joint for use in an optical power transfer system. The fiber optic rotary joint comprising a first housing element and a second housing element rotatable with respect to the first housing element. The first and second housing elements define a chamber. Optical connectors are disposed through the housing elements and have a beam expansion block positioned in the chamber. A laser is optically connected with the fiber optic rotary joint and transmits optical energy therethrough. Collimating optics aligned with the beam expansion blocks are orientated to direct the received optical energy to a position. The optical connectors and housing elements define a continuous coolant communication path with a coolant inlet and outlet. A rotary water coupling traverses through the housing elements. In an alternative embodiment, the fiber optic rotary joint also contains an actively cooled mirror positioned optically between the collimating optics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.