Patent · US Active

Diffractive optical element, method of producing a diffractive optical element and laser component

US11061174B2 · kind B2 · utility

0Cited by

7References

18Claims

0Family size

Assignee

Osram OLED GMBH · DE

Inventors

Roland Enzmann · Regensburg, DE
Hubert Halbritter · Dietfurt, DE
Adrian Stefan Avramescu · Regensburg, DE
Thomas P. Hager · Reynoldsburg, US
Georg Roßbach · Regensburg, DE

Key dates

Filing date	Mar 16, 2017
Grant date	Jul 13, 2021
Priority date	—
Expiry date	Oct 9, 2037

Classification

Technology area (CPC G)Physics
CPC primaryG02B1/02
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A diffractive optical element includes a carrier and a plurality of nano- or micro-scale rods arranged above a top side of the carrier, wherein the rods are arranged parallel to one another in a regular grid arrangement. A method of producing a diffractive optical element includes providing a carrier and epitaxially growing a plurality of mutually parallel nano- or micro-scale rods in a regular gird arrangement above a top side of the carrier.

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