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Revolutionary 'Spaceplate' Could Eliminate Traditional Camera Lenses - PetaPixel

Revolutionary 'Spaceplate' Could Eliminate Traditional Camera Lenses - PetaPixel

Revolutionary 'Spaceplate' Could Eliminate Traditional Camera Lenses - PetaPixel
Jun 10, 2021 1 min, 4 secs

But unaddressed in metalens development is the requirement for space between optical elements.

No matter how small a lens can get, it still relies on space in order to produce images.

Jeff Lundeen — Canada’s Research Chair in Quantum Photonics and Associate Professor in the Department of Physics at the University of Ottawa — spoke with Phys and explained that the team wanted to address how light spreads out between optical elements and tackle aspects of that process that lens elements can’t do anything about.

Reshef says that light naturally spreads out when it travels, and every optical device currently used relies on that spread in order to work.

But that gap, and other gaps in a lens’ design, takes up a lot of space, and his team developed what they call a “spaceplate” that is able to take that same spreading of light and compress it into a “counterpart” to the lens and allow whole imaging systems to get dramatically smaller as a result.

Reshef says that this development would theoretically allow lens makers to shrink down all manner of large devices that were before thought impossible to miniaturize.

“In order to design it, we need to come up with a new set of rules that is incompatible with that used in lens design.

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