Speckle Metrology

5.1.1 Vibration Detection in the Presence of a Reference Wave 5.1.2 Vibration Detection without a Reference Field 5.2 Deformation Measurement by Speckle Interferometry 5.3 In-Plane Oscillations by Image Plane Recording 5.3.1 Theory 5.3.2 Time-Average Exposures of in-Plane Oscillations 5.3.3 Display of Young's Fringes 5.3.4 Comparison of Fringe Shapes for Different Motions 5.4 Tilt Analysis by Fourier Transform Plane Recording 5.4.1 Two Successive Exposures 5.4.2 Multiple Successive Exposures 5.4.3 Two Successive Exposures with Two Beam illumination 5.5 Limitations of Speckle Photography for Engineering Measurements 5.5.1 Movements Parallel to the Line-of-Sight 5.5.2 Limits on Tilts for in-Plane Measurements 5.5.3 Coherence of the Laser Source 5.6 Discussion 5.6.1 Tilt and Deformation Measurement 5.6.2 Vibration Measurement 5.6.3 Qeformation and White Light Speckle Photography References