Patent · US Active

Artefact reduction for angularly-selective illumination

US10838184B2 · kind B2 · utility

0Cited by

0References

12Claims

0Family size

Assignee

Carl Zeiss Microscopy GmbH · DE

Inventors

Lars Stoppe · Jena, DE
Moritz Schmidlin · Dietikon, CH
Gerhard Krampert · Jena, DE
Kai Wicker · Jena, DE

Key dates

Filing date	Apr 26, 2017
Grant date	Nov 17, 2020
Priority date	—
Expiry date	May 2, 2037

Classification

Technology area (CPC G)Physics
CPC primaryG06T2207/30024
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

An optical device includes a sample holder configured to fix an object in the beam path of the optical device, and an illumination module which has a plurality of light sources and configured to illuminate the object from a plurality of illumination directions by operating the light sources, wherein each illumination direction has an assigned luminous field. The optical device also has a filter arranged between the illumination module and the sample holder and configured to expand the assigned luminous field for each illumination direction. As a result, it is possible to reduce artefacts on account of contaminants during the angularly-selective illumination. Techniques of digital artefact reduction are also described. By way of example, the optical device can be a microscope.

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