11
Moire Fringes Technique
11.1 INTRODUCTION
Moire is a French word and its meaning is watered silk, which is a common optical phenomenon being observed daily if a fold of silk or any other finely woven fabric is allowed to slip on another fold and viewed against a light background simmering zig-zag patterns, localized between two folds of fabric. Such patterns are also seen in mismatched window blinds or superimposed fine wire meshes. In other words, whenever a geometric figure repeating itself regularly such as a set of straight lines, dots, meshes, etc. is superimposed on another similar but not of identical pattern, moire fringes are visible.
Initially moire fringe effect was a problem and needed to be eliminated because these fringes were ...
Get Experimental Stress Analysis now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
