double-exposure holographic interferometry

double-exposure holographic interferometry

[¦dəb·əl ik′spō·zhər ¦häl·ə¦graf·ik ‚in·tər·fə′räm·ə·trē]
(optics)
The study of the interference fringes generated by the superposition of two holograms of the same object, one with the object in an undeformed state and the second after a small deformation.
References in periodicals archive ?
His team also developed double-exposure holographic interferometry to accurately measure high-speed phenomena resulting from shockwaves at high resolutions.
Faster than a speeding bullet: ultra high-speed cameras show the eyes what they've been missing
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