Off-Axis Elliptical Zone Plate For Nonsymmetric Fourier Transforming

S. Bara; C. Gomez-Reino

doi:10.1117/12.968916

16 January 1988 Off-Axis Elliptical Zone Plate For Nonsymmetric Fourier Transforming

S. Bara, C. Gomez-Reino

Proceedings Volume 0952, Laser Technologies in Industry; (1988) https://doi.org/10.1117/12.968916
Event: Laser Technologies in Industry, 1988, Porto, Portugal

Abstract

An off-axis elliptical zone plate (EZP) together with refractive optics has been used for obtaining the 2-D nonsymmetric Fourier transform (NFT) of a given object with parallel beam illumination. The NFT thus obtained is exact, excepting a linear phase factor due to the carrier spatial frequency used in the EZP recording. Experimental results show the ability of this system for separating quasi-unidimensional spectra of slightly different orientation.

Citation Download Citation

S. Bara and C. Gomez-Reino "Off-Axis Elliptical Zone Plate For Nonsymmetric Fourier Transforming", Proc. SPIE 0952, Laser Technologies in Industry, (16 January 1988); https://doi.org/10.1117/12.968916

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