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Related Concept Videos

Properties of Enantiomers and Optical Activity02:24

Properties of Enantiomers and Optical Activity

It is essential to understand the difference between chiral and achiral interactions and the implications thereof in optical activity and their applications. Just as our feet, which are chiral, interact uniquely with chiral objects, such as a pair of shoes, but identically with achiral socks, enantiomers of a molecule exhibit different properties only when they interact with other chiral media. An example of a significant implication from this facet is the phenomenon known as optical activity,...
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Polarimetry finds application in chemical kinetics to measure the concentration and reaction kinetics of optically active substances during a chemical reaction. Optically active substances have the capability of rotating the plane of polarization of linearly polarized light passing through them—a feature called optical rotation. Optical activity is attributed to the molecular structure of substances. Normal monochromatic light is unpolarized and possesses oscillations of the electrical field in...
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Updated: Jun 12, 2026

Methods for Measuring the Orientation and Rotation Rate of 3D-printed Particles in Turbulence
12:34

Methods for Measuring the Orientation and Rotation Rate of 3D-printed Particles in Turbulence

Published on: June 24, 2016

New optical method for measuring small-angle rotations.

P Shi, E Stijns

    Applied Optics
    |June 12, 2010
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a novel Michelson interferometer using right-angle prisms to precisely measure small-angle rotations. The modified setup offers high resolution and linearity, making it ideal for sensitive rotational measurements.

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    Methods for Measuring the Orientation and Rotation Rate of 3D-printed Particles in Turbulence
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    Published on: June 24, 2016

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    Area of Science:

    • Optics and Photonics
    • Metrology and Measurement Science

    Background:

    • Traditional interferometry methods can be sensitive to environmental disturbances.
    • Accurate measurement of small-angle rotations is crucial in various scientific and engineering fields.

    Purpose of the Study:

    • To develop a modified Michelson interferometer for precise small-angle rotation measurement.
    • To enhance the robustness and linearity of interferometric rotation sensing.

    Main Methods:

    • Replaced standard mirrors in a Michelson interferometer with right-angle prisms.
    • Analyzed the shift in the interference pattern caused by prism rotation.
    • Calibrated the interference pattern shift to determine the angle of rotation.

    Main Results:

    • The modified interferometer is insensitive to vibrations.
    • Achieved good linearity in rotation measurement between +5 and -5 degrees.
    • Demonstrated a high resolution of 10(-4) degrees for angle measurement.

    Conclusions:

    • The right-angle prism Michelson interferometer is an effective tool for precise small-angle rotation measurement.
    • The system's insensitivity to vibrations and high resolution offer significant advantages over conventional methods.