Ringlight for use in high radiation
Patent
·
OSTI ID:7310164
A ringlight having an annular array of light-emitting elements centered about a viewing passage has an outer annular body with an inner annular body fitted concentrically within the outer body to form an annular void and a light-emitting aperture therebetween. A plurality of optical fibers extends into the void with end portions of the optical fibers secured therein to form an annular array at the light-emitting aperture. The first and second annular bodies cooperate to angle the end portions of the optical fibers towards a central axis of the viewing passage. 3 figs.
- DOE Contract Number:
- AC11-76PN00014
- Assignee:
- Dept. of Energy, Washington, DC (United States)
- Patent Number(s):
- US 5143436; A
- Application Number:
- PPN: US 7-665112
- OSTI ID:
- 7310164
- Resource Relation:
- Patent File Date: 6 Mar 1991
- Country of Publication:
- United States
- Language:
- English
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