Interferometry
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Interferometry is a technique which uses the interference of superimposed waves to extract information. Interferometry typically uses electromagnetic waves and is an important investigative technique
Figure 11. The VLA interferometer
ALMA is an astronomical interferometer located in Chajnantor Plateau
Figure 13. Optical flat interference fringes. (left) a flat surface, indicated by a pattern of straight parallel interference fringes at equal intervals; (right) curved surface.
Figure 18. Lunate cells of Nepenthes khasiana visualized by Scanning White Light Interferometry (SWLI)
Wave interference
Videos
In physics, interference is a phenomenon in which two coherent waves are combined by adding their intensities or displacements with due consideration for their phase difference. The resultant wave may
Interfering water waves on the surface of a lake
Photograph of 1.5cm x 1cm region of soap film under white light. Varying film thickness and viewing geometry determine which colours undergo constructive or destructive interference. Small bubbles significantly affect surrounding film thickness.
Interference fringes in overlapping plane waves
Smartphone with iridescent back panel