Edd Gent is a British freelance science writer now living in India. His main interests are the wackier fringes of computer science, engineering, bioscience and science policy. Edd has a Bachelor of Arts degree in Politics and International Relations and is an NCTJ qualified senior reporter.
The world's fastest camera can capture footage at a rate of 156 trillion frames per second , opening a new window into ultrafast phenomena that were previously impossible to see, scientists say.
"This camera is more than just a toy, it's actually a very important piece of scientific equipment," lead author Jinyang Liang, an associate professor of optics at the National Institute of Scientific Research in Quebec City, told Live Science."We are on the verge of developing a very generic imaging system that allows us to see lots of phenomena that were not accessible before.
The standard approach to capturing superfast phenomena involves firing a laser pulse at them then measuring how much light is reflected or absorbed. This is repeated many times, each targeting a different time window separated by just a few femtoseconds. But this"pump and probe" approach only works for static samples or precisely repeatable phenomena, Liang said.
The new approach relies on a special light source known as a"chirped" laser, the discovery of which won the 2018 Nobel Prize in Physics. In these lasers, the wavelengths of light are stretched out so that light of different colors arrives at different times.
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