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Ansys Learning Forum Forums Discuss Simulation Process Integration and Design Optimization Zeemax is there any one who could guide that airy disk radius showing in ray and Reply To: Zeemax is there any one who could guide that airy disk radius showing in ray and

Niki Papachristou
Ansys Employee

Hi Uzma,

In this case, the y-axis (20mm) is the the scale of the spot diagram. On the horizontal axis the IMA are the coordinates of the spot reference point on the image planeIn the following image the Chief Ray is the reference point:

Regards,

Niki