real-time holographic interferometry

real-time holographic interferometry

[′rēl ‚tīm ¦hō·lə¦graf·ik ‚in·tər·fə′räm·ə·trē]
(optics)
The study of the interference fringes generated when a hologram is made of an object and is later placed back into its original position relative to the object, now slightly deformed, so that there is interference between the object and its hologram.
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