Air Wedge Interferometry for Microscopic Thickness Measurement of Human Hair

    May 2026 in “ International Journal of Versatile Research and Analysis ”
    T Nagesh Chawhan, H A Kavitha Rao, Sanjan Ganapati Madival … Satyanarayana Ganapati Bhandari
    Studysummary This study used air wedge interferometry to measure the thickness of human scalp hair from three individuals, finding average thicknesses of 66.482 µm, 59.355 µm, and 59.927 µm respectively, within the typical range for adults.
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