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Стартап
DateDate: 4-01-2018, 08:45

Scientists from the US invented a metal lens that would allow the creation of lighter cameras. Such lenses are the first of its kind. Their main advantage is the ability to focus the rays of the entire optical range.
Novelties will allow you to make cameras with smaller dimensions and weight. Metal-lenses are one of the most promising trends in modern optics. They are much lighter than curved analogs, which are used in most optical systems. Flat lenses are more convenient in all respects: they are thinner, they are easier to manufacture. Light in them is refracted through reflection in nanoscale films. The only problem remained a narrow range of the spectrum due to the defocusing of waves of different lengths. For the entire spectrum to be in focus, one had to use a whole system of conventional analogs, but in the case of metalinses this method was not suitable.
Harvard engineers discovered a method that makes it possible to extend the action of the metal lens to the entire spectrum visible to the eye. Thanks to two titanium nanorubes, scientists were able to equally break all the waves and collect the rays at one point.
Until now, optics have experimented with metal on a nanometer scale. Now they are planning to test a novelty of diameters of one centimeter, which can be used in optical instruments. The technology is patented and will soon appear on the market through a start-up, whose name is kept secret.





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