A Highly Phase-Sensitive Heterodyne Polariscope for the Full-Field Measurement of Twisted- Nematic Liquid Crystal

IEEE Photonics Technology Letters（2008）

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摘要

This study proposes a highly phase-sensitive imaging polariscope with a common-path heterodyne configuration for the mapping of spatially distributed cell gap of a twisted-nematic liquid crystal (TNLC). The polariscope adopts an electrooptic modulator incorporated with a quarter-wave plate to modulate the linear polarized light. By applying an integrating-bucket method, the two-dimensional (2-D) p...

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关键词

Phase measurement,Liquid crystals,Optical polarization,Electrooptic modulators,Optical modulation,Measurement standards,Charge coupled devices,Optical imaging,Optical retarders,Two dimensional displays

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