Patent · US Active

Cylindrical lens with refractive optical element and diffractive optical element

US8553330B1 · kind B1 · utility

0Cited by

17References

31Claims

0Family size

Assignee

Schott AG · DE

Inventors

Edgar Pawlowski · Stadecken-Elsheim, DE
Matthias Brinkmann · Klein-Winternheim, DE
Wolfram Beier · Essenheim, DE
Jörg Luttmer · Tuttlingen, DE
Bernd Wölfing · Mainz, DE
Polina Ebeling · Mainz, DE

Key dates

Filing date	Jan 22, 2008
Grant date	Oct 8, 2013
Priority date	—
Expiry date	Jul 24, 2031

Classification

Technology area (CPC H)Electricity
CPC primaryH01S5/4025
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A cylindrical lens having a refractive optical element and a diffractive optical element is used in order to provide a cylindrical lens that can preferably be fabricated cost effectively and precisely, and in the case of which optical aberrations and defects in semiconductor diode laser arrangements can be corrected. The diffractive optical element can include various segments.

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