Links to moiré method

• http://www.eng.ox.ac.uk/~ftgwww/SGresearch.html
  A description of the moiré interferometry technique and apparatus, including use in three examples: residual stresses in composites; strain in the adhesive layer of a lap joint; and a butt welded joint.
• http://omrl.me.binghamton.edu/Shadow%20Moire.htm
  Provides a introduction to moiré, shadow moiré, giving some theoretical background including equations, a description of the experimental set-up and some references.
• http://www.eng.clemson.edu/~lomep/
  In their Current Capabilities page there are detailed descriptions of a number of experimental techniques including geometric moiré, moiré interferometry, microscopic moiré interferometry and shadow moiré giving method specifications such as typical values of sensitivity, field of view etc.
• http://www.packaging.buffalo.edu/projects.html
  This research centre located in SUNY at Buffalo develops computational and experimental tools to design electronic packaging for semiconductor devices. In their Projects page they describe a number of applications of moiré interferometry.
• http://www.photomechanics.com/default.htm
  Photomechanics Inc. manufactures a portable engineering moiré interferometer. The WEB page includes technical papers and examples of applications of moiré Interferometry including fracture mechanics, composites and smart materials.
• http://www.aem.umn.edu/people/faculty/shield/
  This page describes the study of single crystal crack-tip plasticity using microscopic moiré interferometry, including pictures and videos of the crack growth.
• http://water-cooler.com/WC/patentviewer/patent-4193687.html
  A U.S. Patent that describes a technique and apparatus for aligning a mask to a substrate with high precision using moiré fringe effects.
• http://www.laurin.com/Directory/LPHTML/bgg/30350.htm
  Links to manufacturers of Ronchi Gratings (also used for moiré).