Shaped illumination geometry and intensity using a diffractive optical element
US7006215B2 · kind B2 · utility
34Cited by
44References
59Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 4, 2004 |
| Grant date | Feb 28, 2006 |
| Priority date | — |
| Expiry date | May 4, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J3/10
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method and apparatus to illuminate a target. The apparatus can comprise a first lens configured to receive light from the light source, a diffractive optical element configured to receive the light from the first lens and to regulate the light into regulated light, and second lens configured to receive the regulated light and to direct the regulated light onto a selected area of the target.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.