zone plate

noun

: an optical device that consists of a series of concentric opaque rings of such width that rays from alternate half-period elements are cut off and that has some properties of a converging lens

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Dictionary Entries Near zone plate

Cite this Entry

“Zone plate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/zone%20plate. Accessed 23 Apr. 2024.

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