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Demonstration of image-zooming capability for diffractive axicons

Abstract : Diffractive axicons are optical components producing achromatic nondiffracting beams. They thus produce a focal line rather than a focal point for classical lenses. This gives the interesting property of a long focal depth. We show that this property can be used to design a simple imaging system with a linear variable zoom by using and translating a diffractive axicon as the only optical component. (c) 2008 Optical Society of America.
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Guillaume Druart, Jean Taboury, Nicolas Guérineau, Riad Haïdar, Hervé Sauer, et al.. Demonstration of image-zooming capability for diffractive axicons. Optics Letters, Optical Society of America, 2008, 33 (4), pp.366--368. ⟨10.1364/OL.33.000366⟩. ⟨hal-00628969⟩

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