Scientists have created the thinnest optical lens ever. At just three atoms thick, it will be especially useful for future wearables.
Scientists have created the thinnest optical lens ever made for camera systems. At just three atoms thick, the researchers believe it will be especially useful for future wearables like the now defunct, otherwise known as a metalens or metasurface, is absurdly thin: 0.0000006 millimeters, or 0.6 nanometers, thick; the height of three atoms.
Metalenses are flat surfaces that are designed to replace full-size optics with a wholly different method. Instead of curved optics, they reduce the aforementioned multiple glass optical systems by compressing them into a much smaller system that bends light using nanoparticles and metasurfaces. A 12-inch wafer made using standard semiconductor processes contains thousands of Metalenz metasurface optics. | Metalenz
The scientists are especially excited about another unique feature of this metalens: when light passes through it, it makes a bright focal point and most of the light is unaffected. That may sound like a disadvantage, but there is a way to take advantage of this.
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