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Interferograms showing several third order (Seidel) aberrations of a beam

Interferometry is one of the standard laboratory techniques for analyzing coherent wavefronts and their defects. The following example shows several interferograms obtained by combining aberrated beams with a reference plane wave in DIFFRACT.

(from left to right) spherical aberration, coma, astigmatism and mixture of spherical, coma and astigmatism

Create beams with arbitrary distributions of amplitude and phase, having any desired state of polarization. Investigate the properties of these beams by setting up any one of a number of interferometers within DIFFRACT.


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