Twisted Gaussian Schell-model beams: interpretation and experiments

Ari T. Friberg

doi:10.1117/12.2308677

23 July 1993 Twisted Gaussian Schell-model beams: interpretation and experiments

Ari T. Friberg

Proceedings Volume 1983, 16th Congress of the International Commission for Optics: Optics as a Key to High Technology; 198376 (1993) https://doi.org/10.1117/12.2308677
Event: 16th Congress of the International Commission for Optics: Optics as a Key to High Technology, 1993, Budapest, Hungary

Abstract

In (synthetic) holography and diffractive optics, the optical field is often decomposed in a set of spherical waves, which are usually approximated paraxially. On the other hand, however, it is known that gaussian beams are exact solutions of the paraxial wave equation. Moreover they have the remarkable property that their Fourier transform is also a Gaussian beam. This makes them very interesting as basis functions for calculations in Fourier optics. In other words : the field is written as a sum (or integral) of gaussian beams, instead of a sum (integral) of plane or spherical waves. Up to now however, the use of Gaussian beams has been limited to laser optics ; we advocate their use in Fourier optics.

Citation Download Citation

Ari T. Friberg "Twisted Gaussian Schell-model beams: interpretation and experiments", Proc. SPIE 1983, 16th Congress of the International Commission for Optics: Optics as a Key to High Technology, 198376 (23 July 1993); https://doi.org/10.1117/12.2308677

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