Device for homogenizing laser light using a rotating lens field
US10151917B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2016 |
| Grant date | Dec 11, 2018 |
| Priority date | — |
| Expiry date | Oct 22, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/48
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A device for homogenizing laser light using a rotating lens is provided. The device comprises: a laser; an integrating rod having an input face; a lens located between the laser and the input face of the integrating rod, the lens having an optical axis, the lens positioned to receive light from the laser, off the optical axis, and focus the light through the input face of the integrating rod; and, an actuator device configured to rotate the lens about an axis of rotation different from the optical axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.