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Related Experiment Video

Updated: Feb 25, 2026

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings
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Transformational fluctuation electrodynamics: application to thermal radiation illusion.

Ahmed Alwakil, Myriam Zerrad, Michel Bellieud

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    |August 10, 2017
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    Summary
    This summary is machine-generated.

    Scientists can control an object's thermal radiation signature using transformation optics to create electromagnetic illusions. This technique allows objects to mimic thermal signatures, enhancing detection and recognition capabilities.

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    Area of Science:

    • Optics and electromagnetism
    • Thermal physics
    • Metamaterials and transformation optics

    Background:

    • All objects above 0K emit thermal radiation, creating unique signatures for detection.
    • Controlling these signatures is challenging but desirable for applications like cloaking or enhanced sensing.

    Purpose of the Study:

    • To apply transformation optics to thermal radiation for creating electromagnetic illusions.
    • To control and mimic the thermal radiation signature of an object.

    Main Methods:

    • Utilized transformation optics theory applied to thermal radiation problems.
    • Derived conditions based on the fluctuation-dissipation theorem and space transformations.
    • Emphasized the invariance of fluctuation electrodynamics under transformation.

    Main Results:

    • Demonstrated that objects in virtual and physical spaces can share identical thermal radiation signatures.
    • Showcased the feasibility of mimicking thermal radiation through controlled electromagnetic properties.
    • Validated the concept with a two-dimensional illusion paradigm and numerical calculations.

    Conclusions:

    • Transformation optics provides a pathway to manipulate thermal radiation signatures.
    • Electromagnetic illusions in thermal radiation are achievable by controlling material properties.
    • The developed technique offers potential for advanced thermal management and detection strategies.