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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.