Interferometric Dynamic Measurement: Techniques Based on High-Speed Imaging or a Single Photodetector

Figure 4

(a) Typical shearography fringe pattern, (b) wrapped phase map, and (c) phase after unwrapping and removal of the spatial carrier; (d) shearography fringe pattern, (e) wrapped phase map, and (f) phase after unwrapping when the temporal carrier is applied (reprint from [58]).

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