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Related Experiment Video

Updated: Jun 12, 2026

Studying Soft-matter and Biological Systems over a Wide Length-scale from Nanometer and Micrometer Sizes at the Small-angle Neutron Diffractometer KWS-2
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Studying Soft-matter and Biological Systems over a Wide Length-scale from Nanometer and Micrometer Sizes at the Small-angle Neutron Diffractometer KWS-2

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Adaptive Fraunhofer diffraction particle sizing instrument using a spatial light modulator.

E D Hirleman, P A Dellenback

    Applied Optics
    |June 18, 2010
    PubMed
    Summary

    A magneto-optic spatial light modulator was integrated into a Fraunhofer diffraction particle sizing instrument. This innovation allows for on-line reconfiguration of the detector array, adapting the instrument to various measurement contexts.

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    Area of Science:

    • Optics
    • Instrumentation
    • Materials Science

    Background:

    • Fraunhofer diffraction is a key principle in particle sizing.
    • Traditional particle sizing instruments have fixed detector arrays.
    • Adaptability in measurement instruments is crucial for diverse applications.

    Purpose of the Study:

    • To propose and demonstrate the integration of a magneto-optic spatial light modulator (MOSLM) into a Fraunhofer diffraction particle sizing instrument.
    • To enhance the instrument's capability for on-line detector array reconfiguration.
    • To enable adaptive particle size measurements based on context.

    Main Methods:

    • Theoretical modeling of MOSLM integration within the Fraunhofer diffraction framework.
    • Experimental validation of the proposed concept.

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    Last Updated: Jun 12, 2026

    Studying Soft-matter and Biological Systems over a Wide Length-scale from Nanometer and Micrometer Sizes at the Small-angle Neutron Diffractometer KWS-2
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  • Development of a particle sizing instrument incorporating an MOSLM.

    • Main Results:

    • Successful integration of MOSLM demonstrated theoretically and experimentally.
    • The instrument achieved on-line reconfiguration of its detector array.
    • Adaptive measurement capabilities were validated.

    Conclusions:

    • The integration of MOSLM offers a novel approach to enhance particle sizing instruments.
    • On-line detector array reconfiguration provides significant adaptability for measurement contexts.
    • This technology has the potential to improve the versatility of particle characterization tools.