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A comment on Zoomable lens without any moving parts. Parent comment

Re:Zoomable lens without any moving parts by mrdrrobots on Saturday April 03, 2021 @12:20PM (#26682234)
Co-author here, Not a binary zone plate.
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Re:Zoomable lens without any moving parts by mikewarot on Saturday April 03, 2021 @01:18PM (#26682800)
How wide of a bandwidth could this handle? Do you think it will be possible to cover the entire visible light spectrum some day?
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Re:Zoomable lens without any moving parts by mrdrrobots on Saturday April 03, 2021 @02:13PM (#26683288)
It’s theoretically possible; this is a very active field of research.
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