Patent · US Active

Color-corrected F-theta objective for laser material processing

US8879171B2 · kind B2 · utility

4Cited by

3References

3Claims

0Family size

Assignee

Jenoptik Optical Systems GmbH · DE

Inventors

Joerg Wunderlich · Cambridge, GB
Ullrich Krueger · Milda, DE

Key dates

Filing date	Mar 21, 2013
Grant date	Nov 4, 2014
Priority date	—
Expiry date	Jul 13, 2033

Classification

Technology area (CPC G)Physics
CPC primaryG02B27/0031
WIPO fieldOptics
WIPO sectorInstruments

Abstract

An F-theta objective which is color-corrected for a wavelength range of 1065-1075 nm and is suitable for high laser outputs of more than 1 kW, having sixth individual lenses L1-L6, wherein the lenses are formed of at least two different materials.

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