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Cross-spectral density propagated through a circular aperture

J G Suárez-Romero, E Tepichín-Rodríguez and K D Mielenz

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A method is presented for evaluating the cross-spectral density diffracted by a circular aperture in the Fresnel approximation. Our proposal is a generalization to partially coherent illumination of the classical solution to the problem of near-field diffraction due to a circular aperture. We show that our generalization covers particular cases already reported in the literature and present numerical and experimental results that verify our proposal. This work is a contribution to the treatment of diffraction by multiple apertures.


PACS

07.60.Dq Photometers, radiometers, and colorimeters

42.25.Fx Diffraction and scattering

06.20.-f Metrology

Subjects

Instrumentation and measurement

Optics, quantum optics and lasers

Dates

Issue 5 (October 2001)



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