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Computation of MTF by wavefront sensor system Optino

A unique feature of wavefront sensor system Optino/Sensoft is computing MTF from the SH data. Not only can the total MTF be computed, but the MTF due to any one single aberration can also be computed, as shown by the graphs

Optino, wavefront sensor, computed MTF after subtracting the contributions of 70 Zernike terms present in the SH data. The blue curve is MTF in the x-direction, the violet curve in the y-direction and the green curve is the total MTF. The theoretical system MTF (red curve) is also seen

Optino, wavefront sensor, computed MTF after subtracting the contributions of tilt and defocus present in the SH data. The blue curve is the MTF in the x-direction, the violet curve in the y-direction and the green curve is the total MTF. The theoretical system MTF (red curve) is also seen. Higher order SA dominates the outer part of the curve.

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