International Journal of Optics / 2012 / Article / Fig 10

Review Article

Interferometry with Vortices

Figure 10

(a) Lateral shear interferometer in which the incident wave is split into two and sheared. (b) Schematic showing that the phase difference between sheared plane waves is constant. (c) Schematic showing the phase difference between sheared spherical waves is not constant and varies linearly in the direction of shear.
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