Uniformity adjustment method for a diode-laser line-projector
US9400391B2 · kind B2 · utility
1Cited by
23References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2012 |
| Grant date | Jul 26, 2016 |
| Priority date | — |
| Expiry date | Feb 16, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/0966
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In a line projector a diode-laser beam having an elliptical cross-section is projected onto a Powell lens which spreads the beam to form a line of light. Distribution of power along the line of light is adjusted by rotating the diode-laser beam with respect to the Powell lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.