Patent · US Active

Lens system and scanner device equipped therewith

US8102581B2 · kind B2 · utility

3Cited by

4References

7Claims

0Family size

Assignee

TRUMPF Laser GmbH + Co. KG · DE

Inventors

Andreas Voss · Essen, DE
Martin Huonker · Rottweil, DE
Reiner Bruestle · Lauterbach, DE

Key dates

Filing date	Apr 7, 2008
Grant date	Jan 24, 2012
Priority date	—
Expiry date	May 18, 2030

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB23K26/082
WIPO fieldOptics
WIPO sectorInstruments

Abstract

An F/theta lens system for focusing high-power laser radiation in a flat image field including at least two lenses. The at least two lenses are arranged sequentially in a beam path, where the at least two lenses are made from a material that is stable when exposed to laser radiation having a power of more than 1 kW, and at least one of the lenses has at least one aspherical lens surface.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.