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I am confused at the beginning, but it seems to me the author did not know the difference between diffractive optics and Fresnel lens. That significant reduce t

by ycui1986 3y ago

I am confused at the beginning, but it seems to me the author did not know the difference between diffractive optics and Fresnel lens. That significant reduce the credibility of the author. It is embarrassing for someone in academia to confuse these two different things.

zalo 3y ago
Perhaps they should have started at the Wikipedia entry for “Zone Plate” instead
nimish 3y ago
>It is embarrassing for someone in academia to confuse these two different things. I've been digging through the academic publications for a completely different field and it appears that they have very little or outdated knowledge of parallel fields, almost siloed.