Articles with "optical angular" as a keyword



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Contrast enhancement for the infrared vein image of leg based on the optical angular spectrum theory

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Published in 2017 at "Signal, Image and Video Processing"

DOI: 10.1007/s11760-016-0977-3

Abstract: The near-infrared (NIR) imaging method was required for the diagnosis of varicose veins, which mean that the veins have become enlarged and twisted on leg. In some cases, the hair on leg could be dense… read more here.

Keywords: image; spectrum theory; angular spectrum; leg ... See more keywords
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Optically Induced Molecular Logic Operations.

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Published in 2020 at "ACS nano"

DOI: 10.1021/acsnano.0c05513

Abstract: Molecular electronics is a promising route for down-sizing electronic devices. Tip-enhanced Raman spectroscopy provides us a setup to probe current-driven molecular junctions that are considered as prototypes of molecular electronic devices. In this setup, the… read more here.

Keywords: logic operations; optically induced; angular momentum; induced molecular ... See more keywords
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A Complementary Filter-Based All-Parameters Estimation for Triaxis Gyroscopes and Optical Angular Encoders With Intrinsic Eccentricity

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Published in 2021 at "IEEE Sensors Journal"

DOI: 10.1109/jsen.2020.3034325

Abstract: Outfield tests for inertial sensors have drawn growing attention in recent years since it will provide more practical application conditions. The traditional field tests carried out with simple ancillary equipment cannot maintain high accuracy testing… read more here.

Keywords: angular encoders; intrinsic eccentricity; parameters estimation; optical angular ... See more keywords
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Optical angular momentum manipulations in a four-wave mixing process.

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Published in 2019 at "Optics letters"

DOI: 10.1364/ol.44.000739

Abstract: We investigate the spatial and quantum intensity correlations between the probe and Stokes optical fields produced via four-wave mixing in a double-Λ configuration, when both incoming probe and control fields carry non-zero optical orbital angular… read more here.

Keywords: field; angular momentum; wave mixing; optical angular ... See more keywords