This paper will attempt to review the historical development of diffraction moire instrumentation, the current state of the art and future directions. A companion paper in this volume (SPIE CR-46) by JS Epstein will give a more complete review of specific uses of the subject.
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Vance A. Deason, "Diffraction moire methods and systems: an overview," Proc. SPIE 10268, Optical Inspection and Testing: A Critical Review, 1026806 (1 June 1993);