Patent · US Active

Polarization maintaining optical rotary joint

US9507093B2 · kind B2 · utility

1Cited by

4References

20Claims

0Family size

Assignee

SCHLEIFRING UND APPARATEBAU GMBH · DE

Inventors

Gregor Popp · Munich, DE
Matthias Rank · Fürstenau, DE

Key dates

Filing date	Apr 28, 2010
Grant date	Nov 29, 2016
Priority date	—
Expiry date	Sep 6, 2034

Classification

Technology area (CPC G)Physics
CPC primaryG02B6/2706
WIPO fieldOptics
WIPO sectorInstruments

Abstract

An optical rotating data transmission device for polarization-maintaining transmission of linearly polarized light includes at least one first collimator for coupling on first light-waveguides, and also a second collimator for coupling on second light-waveguides, the second collimator being supported to be rotatable relative to the first collimator about a rotation axis. At least two λ/4 plates for converting linear polarization to circular polarization and vice-versa are provided in between a plate for attaching optical fibers and a micro lens system.

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