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Стартап
DateDate: 13-10-2018, 06:12

Now you can watch in slow motion not only tricks in Hollywood action films, but also light and matter interaction - the camera invented by American and Canadian engineers shoots 10 trillion frames per second.
Reports about it Sotsportal with the link Hightech +.
- Last year's record belonged to a team of scientists from the University of Lund in Sweden, whose camera gave out 5 trillion frames per second, but specialists from both Kaltek and the University of Quebec managed to bypass them. To do this, they used a new technology for obtaining images based on the method of ultrafast photography CUP. With it, you can achieve 100 billion fps - impressively, but still too little to see the work of femtosecond laser pulses, writes New Atlas.
By connecting femtosecond electro-optical and static cameras, engineers optimized their work using the Radon transform and called their invention T-CUP.
“We knew that using only a femtosecond electron-optical camera, the image quality would be limited,” said Wang Lihong, one of the project leaders. - Therefore, in order to improve it, we added another camera, which gives a static image. Combining the two pictures, we were able to apply the Radon transform to produce high-quality images, recording ten trillion frames per second.
As a first test, the camera took off a femtosecond laser pulse, recording 25 images of 400 fs each. In the pictures you can see the shape of the laser beam, the intensity and angle of inclination in a much more slow motion than ever before. The team is not going to stop there.





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