Diffractive Optical Power of a Square Diaphragm

Irina G. Palchikova, Sergey G. Rautian

Аннотация:
The concept of diffractive optical power is extended over the case of a square diaphragm and of the negative Fresnel numbers for the incident wave. The accurate interpolation formula for the image location is represented. It contains the additional factor describing the dependence of the optical power on the incident wave front curvature. The high precision of the approximation is the conclusive evidence for the correctness of the physical model for the focusing action of the diaphragms.

Ключевые слова:
focal shift, lens formula, Fresnel number, Fresnel diffraction pattern.

Литература:

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