Metamaterial Tiles (IMAGE)

Optica

Metamaterial Tiles

Caption

Researchers developed new metamaterial tiles that will improve the sensitivity of telescopes at the Simons Observatory by absorbing stray light. The top left photo shows one tile, with its anti-reflective surface shown in the insert. The bottom left photos show the back of the tile, and the right photo shows the assembly of 240 tiles installed on the wall of an optics tube.

Credit

Zhilei Xu, University of Pennsylvania

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