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Basic principles of πShaper operation:

• πShaper transforms Gaussian or similar intensity distribution of source laser beam to a flattop one;
• TEM₀₀ or multimode with Gaussian or similar intensity profile can be applied;
• Achromatic design provdes this transformation for a certain wavelength range;
• Galilean design, thus there are no intermediate focusing of a beam;
• There are two versions of some πShaper 6_6 systems: Telescope and Collimator, please, look at above descriptions;
• With changing the size of input beam the output beam profile changes as well, see description here;
• When changing the shape of input beam it is possible to adapt the πShaper to provide flattop output profile, this adaptation is realized through changing the diameter of source beam; description of this adaptation is presented here.