By arranging a special material in concentric rings, researchers have built the world's thinnest lens at just three atoms thickness.
A collaboration between researchers has led to the development of the world’s thinnest lens, which is just three atoms thick. Unlike conventional lenses that use their curvature to bend light, this lens uses quantum effects to achieve its effect.
Lenses have been around for over two millennia, and every time one uses the word, the picture of a slightly curved glass comes to mind. This curved glass, in its various forms and combinations, helps us read, minutely look at organisms that aren’t visible to the naked eye, and also The lens works due to quantum effects with the WS2 molecules, where they first absorb light by sending an electron to a higher energy level.
The excitons disappear quickly again since the electron and hole merge and send out the light from the lens. The material absorbs and emits light at specific wavelengths, making it highly efficient for certain applications.
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