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Updated: Jun 13, 2026

The Frequency Domain Thermoreflectance Technique for Thermal Property Measurements
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Published on: December 5, 2025

Interferometric phase measurement using pyroelectric vidicons.

H P Stahl, C L Koliopoulos

    Applied Optics
    |May 11, 2010
    PubMed
    Summary
    This summary is machine-generated.

    Infrared interferometry with pyroelectric vidicons can test opaque materials and rough surfaces. However, limitations exist for accurate phase-shifted infrared wavefront measurements.

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    Last Updated: Jun 13, 2026

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    Area of Science:

    • Optical engineering
    • Infrared technology
    • Materials science

    Background:

    • Infrared interferometry is crucial for evaluating materials opaque to visible light.
    • Optical surfaces in a ground-glass state require specialized testing methods.

    Purpose of the Study:

    • To explore the use of pyroelectric vidicons for detecting infrared interference fringes.
    • To identify limitations of pyroelectric vidicons in precise infrared wavefront metrology.

    Main Methods:

    • Utilizing infrared interferometry to generate interference patterns.
    • Employing a pyroelectric vidicon for infrared fringe detection.
    • Implementing phase-shifting techniques for wavefront analysis.

    Main Results:

    • Pyroelectric vidicons successfully detect infrared interference fringes.
    • Phase shifting enables precise wavefront measurements.
    • Specific limitations hinder the accuracy of phase-shifted measurements.

    Conclusions:

    • Pyroelectric vidicons are viable detectors for infrared interference fringes.
    • The technology presents challenges for high-accuracy phase-shifted infrared wavefront metrology.