Optical integrator rod
US6205271A · kind A · utility
16Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 1999 |
| Grant date | Mar 20, 2001 |
| Priority date | — |
| Expiry date | Sep 15, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0001
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An optical integrator, comprising a solid integrator rod for internally reflecting light from an illumination source and transmitting the reflected light through an exit face thereof as a rectangular beam according to a predetermined aspect ratio, and a rectangular precision metal aperture with mirrored wall surfaces for extending the focal plane of the solid integrator rod beyond the exit face.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.