Sampling-related errors in nonparaxial kinoforms

Zbigniew Sikorski

doi:10.1117/12.203230

1 March 1995 Sampling-related errors in nonparaxial kinoforms

Zbigniew Sikorski

Proceedings Volume 2202, Laser Technology IV: Research Trends, Instrumentation, and Applications in Metrology and Materials Processing; (1995) https://doi.org/10.1117/12.203230
Event: Laser Technology: Fourth Symposium, 1993, Szczecin, Poland

Abstract

Kinoform is a phase modulating computer-generated hologram. Most often, algorithms for nonparaxial kinoform synthesis use discrete propagation operators and solution is given in a discrete form. Kinoform is obtained by interpolation from these discrete samples in its plane. This paper gives the relationship between the continuous reconstruction of that kinoform and the discrete synthesis solution in the image plane. The relationship allows us to describe complex amplitude distribution in diffraction orders, predicts the possibility of speckle-like reconstruction, and is a basis for an efficient method of zero-order image calculation. Spatial frequency filtering properties of discrete algorithms are analyzed and criteria for algorithm sampling parameters are derived.

Citation Download Citation

Zbigniew Sikorski "Sampling-related errors in nonparaxial kinoforms", Proc. SPIE 2202, Laser Technology IV: Research Trends, Instrumentation, and Applications in Metrology and Materials Processing, (1 March 1995); https://doi.org/10.1117/12.203230

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KEYWORDS

Computer generated holography

Reconstruction algorithms

Convolution

Diffraction

Sensors

Spatial frequencies

Algorithm development

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