Articles with "crystal variable" as a keyword



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Design and fabrication of 2 kHz nematic liquid crystal variable retarder with reflection mode

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Published in 2019 at "Liquid Crystals"

DOI: 10.1080/02678292.2019.1686778

Abstract: ABSTRACT This study proposes a simple method of designing a high-speed liquid crystal variable retarder (LCVR) with reflection mode. First, a series of simple formulas is provided for analysing the effects of tilt incidence and… read more here.

Keywords: design fabrication; variable retarder; liquid crystal; crystal variable ... See more keywords
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Characterization of retardance spatial variations over the aperture of liquid-crystal variable retarders.

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Published in 2021 at "Applied optics"

DOI: 10.1364/ao.418547

Abstract: We present a comparison of two experimental methods to measure retardance as a function of applied voltage and as a function of position over the aperture of liquid-crystal variable retarders. These measurements are required for… read more here.

Keywords: aperture liquid; aperture; retardance; method ... See more keywords
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Optimal design for a broadband Stokes polarimeter of liquid crystal variable retarders.

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Published in 2022 at "Applied optics"

DOI: 10.1364/ao.463635

Abstract: Liquid crystal variable retarders (LCVRs) are the core component for rapid and high-precision broadband polarization detection. Additionally, the ability to suppress noise greatly affects the results of polarization measurements. In this work, a solving optimal… read more here.

Keywords: variable retarders; crystal variable; liquid crystal; broadband ... See more keywords
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High resolution channeled imaging spectropolarimetry based on liquid crystal variable retarder.

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Published in 2018 at "Optics express"

DOI: 10.1364/oe.26.010382

Abstract: A method for high spectral resolution channeled imaging spectropolarimetry (CISP) using a liquid crystal variable retarder (LCVR) is presented. Controlling the retardation of LCVR, the individual expanded channel, which takes up the whole detector, is… read more here.

Keywords: resolution; liquid crystal; crystal variable; resolution channeled ... See more keywords
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Noise suppression for the detection laser of a nuclear magnetic resonance gyroscope based on a liquid crystal variable retarder

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Published in 2017 at "Chinese Optics Letters"

DOI: 10.3788/col201715.082302

Abstract: In this Letter, the liquid crystal variable phase retarder is applied for the accurate modulation of the laser power in a detection system and the construction of a system that suppresses the influence of laser… read more here.

Keywords: gyroscope; detection; laser; liquid crystal ... See more keywords