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Group Polarization01:01

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Group polarization is the strengthening of an original group attitude following the discussion of views within a group (Teger & Pruitt, 1967). That is, if a group initially favors a viewpoint, after discussion the group consensus is likely a stronger endorsement of the viewpoint. Conversely, if the group was initially opposed to a viewpoint, group discussion would likely lead to stronger opposition.
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Shear Diagram01:27

Shear Diagram

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In the study of beam mechanics, shear diagrams play a crucial role in understanding the distribution of shear forces along the length of a beam. Consider a beam AB that is supported at both ends and subjected to perpendicular loads.
First, a free-body diagram of the beam is drawn, representing all the external forces and internal reactions acting on the beam. One can calculate the reaction forces at each support by employing the equilibrium equations of force and moment. The vertical component...
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Shearing Stress01:19

Shearing Stress

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Shearing stress, denoted by the Greek letter tau (τ), is stress caused by forces acting transversely on an object. These forces create internal ones within the entity in the plane where the external forces are applied. The resultant of these internal forces is the shear in the section.
The average shearing stress can be calculated by dividing the shear by the area of the cross-section.
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Shearing Strain01:20

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The shearing strain represents a cubic element's angular change when subjected to shearing stress. This type of stress can transform a cube into an oblique parallelepiped without influencing normal strains. The cubic element experiences a significant transformation when exposed solely to shearing stress. Its shape alters from a perfect cube into a rhomboid, clearly demonstrating the effect of shearing strain. The degree of this strain is considered positive if it reduces the angle between the...
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The Extracellular Matrix01:42

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Application of Ultrasound and Shear Wave Elastography Imaging in a Rat Model of NAFLD/NASH
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セルフリファレンスポラライゼーション拡張ジョーンズマトリックスイメージングは,サイクリックシーアリングインターフェロメトリーを用いて行われた.

Vipin Tiwari, Davood Khodadad

    Optics letters
    |February 13, 2026
    PubMed
    まとめ
    この要約は機械生成です。

    空間解析のジョーンズ行列をリアルタイムで測定するためのコンパクト画像システムを開発しました. このテクニックは,多様なアプリケーションのための二重断裂材料の詳細な偏振依存の特徴付けを可能にします.

    さらに関連する動画

    The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
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    The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

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    Measurement of Extracellular Ion Fluxes Using the Ion-selective Self-referencing Microelectrode Technique
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    Measurement of Extracellular Ion Fluxes Using the Ion-selective Self-referencing Microelectrode Technique

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    関連する実験動画

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    Application of Ultrasound and Shear Wave Elastography Imaging in a Rat Model of NAFLD/NASH
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    Application of Ultrasound and Shear Wave Elastography Imaging in a Rat Model of NAFLD/NASH

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    The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
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    The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

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    Measurement of Extracellular Ion Fluxes Using the Ion-selective Self-referencing Microelectrode Technique
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    科学分野:

    • 光学とフォトニック
    • 材料科学 材料科学とは
    • バイオメディカルイメージング

    背景:

    • ジョーンズ行列は,二重断裂材料の特徴づけに不可欠ですが,複雑なイメージングセットアップが必要です.
    • 現在の方法では,偏光感受画像の分野間での適応性が制限されています.

    研究 の 目的:

    • コンパクトで自己参照で,適応性のある偏振感度の高いイメージングシステムを提案する.
    • 空間解析のジョーンズ行列のリアルタイム取得を可能にします.

    主な方法:

    • サイクリック・シーリング・インターフェロメーター (CSI) を用いて,角度マルチプレキシングを行いました.
    • オブジェクトとレファレンスビームは,同じ波面から発生します.
    • フーリエ周波数領域の偏振画像センサを使用した.

    主要な成果:

    • 空間的に解明されたジョーンズ行列要素の測定に成功しました.
    • バイレフリンゲントサンプル (USAF標的,生物サンプル) の特徴的なアニソトロピック特性.
    • ジョーンズ行列分解を用いて技術を検証した.

    結論:

    • 提案されたシステムは,リアルタイムの極化分析のための実用的なソリューションを提供します.
    • 多様な二重断裂材料を特徴付けるための実証された可行性.
    • 多分野的なイメージングアプリケーションの適応力を高めます.