偏振线性绝对位置编码器

IF 2.3 Q2 OPTICS

Advanced Optical Technologies Pub Date : 2022-04-27 DOI:10.1515/aot-2022-0005

Mark J. Johnson

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引用次数: 0

摘要

摘要基于线偏振器轴角测量的光学编码器具有高分辨率和中等精度，但通常仅限于旋转测量。我们证明了环形聚合物片偏振器材料可以剪切成矩形带，其偏振轴沿带线性变化。这使得极化线性绝对位置编码器的构造成为可能。我们还展示了剪切聚合物双折射延迟器，其功能类似，可能具有成本和尺寸灵活性优势。

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Polarimetric linear absolute position encoder

Abstract Optical encoders based on measurement of the axis-angle of linear polarizers offer high resolution and moderate accuracy, but are usually restricted to rotary measurement. We show that annular polymer sheet polarizer materials can be sheared into rectangular tapes, with a polarizing axis that varies linearly along the tape. This makes possible the construction of polarimetric linear absolute position encoders. We demonstrate also sheared polymer birefringent retarders, which function similarly, potentially with cost and size-flexibility advantages.

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来源期刊

Advanced Optical Technologies OPTICS-

CiteScore

4.40

自引率

0.00%

发文量

期刊介绍： Advanced Optical Technologies is a strictly peer-reviewed scientific journal. The major aim of Advanced Optical Technologies is to publish recent progress in the fields of optical design, optical engineering, and optical manufacturing. Advanced Optical Technologies has a main focus on applied research and addresses scientists as well as experts in industrial research and development. Advanced Optical Technologies partners with the European Optical Society (EOS). All its 4.500+ members have free online access to the journal through their EOS member account. Topics: Optical design, Lithography, Opto-mechanical engineering, Illumination and lighting technology, Precision fabrication, Image sensor devices, Optical materials (polymer based, inorganic, crystalline/amorphous), Optical instruments in life science (biology, medicine, laboratories), Optical metrology, Optics in aerospace/defense, Simulation, interdisciplinary, Optics for astronomy, Standards, Consumer optics, Optical coatings.