Definition of zone plate

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Photonics Spectra BioPhotonics Vision Spectra Virtual Events & Summits Educational Institutions Add/Update Your Listing Exhibitor Listing Portal Become an Exhibitor Buyers' Guide Print Edition Marketplace Help

PFG Precision Optics - Precision Optics 12/24 LB

Photonics Dictionary

zone plate: A plate of glass, usually a photograph, on which there is a central spot surrounded by concentric annular zones, alternately opaque and transparent, the radii of the boundaries between the zones being proportional to the square roots of the natural numbers, 1, 2, 3.... It has the property of forming a real image of a point on the axis, as does a lens, but by a process of diffraction instead of refraction.

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Zone Plates

Bristol Instruments, Inc. - 872 Series LWM 10/24 MR

Ohara Corp. - Optical Glass, Polish substrates 10-23

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