Aktiebolaget Skf

Thorlabs Gmbh

Skf (china) Co Ltd.

Lichao Zhang

Mingchun Guo

Robert Zeillinger

Cary Zhang

Sam Rubin

Quan Xu

Jerry Xu

A roller bearing includes an outer ring, an inner ring, at least one row of rollers arranged between the outer ring and the inner ring, and at least one optical fiber cable mounted to the outer ring or the inner ring, the optical fiber cable including at least one Bragg grating. The optical fiber cable is configured such that a signal in the optical fiber cable is usable to determine a preload or load on the roller bearing.

Roller bearing, wind turbine and method for controlling same

A depolarizer, including: a photoalignment layer deposited on the substrate; and a birefringent layer deposited on the photoalignment layer; wherein the photoalignment layer includes a plurality of segments, each segment with a different fast axis orientation and a different pretilt angle, such that each segment of the birefringent layer over the corresponding segment of the photoalignment layer has a different fast axis angle and a different birefringent value.

Depolarizers and methods of making thereof

Growing community of inventors

Shanghai, China

Lichao Zhang