Recent Examples of diffraction from the Web
Instead of exploiting the diffraction properties of glass, a metalens uses nanofins — tiny structures, typically made of titanium dioxide — to bend wavelengths toward the metalens focal point.
It not only blocks the star directly, but also suppresses diffraction with an elaborate petaled edge.
That allows the molecular details of a sample to be probed every few nanoseconds using X-ray diffraction.
But diffraction of the incoming light makes the pictures imperfect.
The top image shows the visible diffraction pattern; the bottom shows extra light in the infrared.
By chance, in another set of images, the background star ended up right in the middle of a diffraction artifact.
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medical Definition of diffraction
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