Zone plates with black focal spots

Computer-designed linear and circular zone plates are considered that utilize a pi ;-phase jump in order to create destructive interference in the focus. Intensity distributions in the focal plane as well as along the optical axis are calculated for a few examples. A significant decrease of the blac...

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Veröffentlicht in:	Applied Optics 1992-01, Vol.31 (2), p.192-198
Hauptverfasser:	BARA VINAS, S, JAROSZEWICZ, Z, KOŁODZIEJCZYK, A, SYPEK, M
Format:	Artikel
Sprache:	eng
Schlagworte:	Exact sciences and technology Fundamental areas of phenomenology (including applications) Gratings Optical elements, devices, and systems Optics Physics
Online-Zugang:	Volltext
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