Eye of Sauron: Small suitcase-sized laser tech to track chemical attacks

Left: A graphic depicting the laser-based technology; Right: A laser system for detecting methane gas on top of a tower.In a world where the air we breathe can conceal invisible dangers, a team of researchers at the University of Colorado Boulder is pioneering a remarkable technology.

“That’s the idea here. An all-seeing eye that can detect hazardous aerosols against a very crowded background of other substances,” said Greg Rieker, a professor in the Paul M. Rady Department of Mechanical Engineering and principal investigator for the project, in theAccording to Scott Diddams, a professor in the Department of Electrical, Computer & Energy Engineering, the frequency comb lasers will run off on batteries.

“At any time in the atmosphere, methane and carbon dioxide are present, and other examples of what we call volatile organic compounds,” Rieker said. “There is a lot of clutter.” The team hopes that the lasers may be able to help sort through that clutter.In the next three years, more or less, the researchers will work to make their lasers even more sensitive. They plan to do that with the help of “integrated photonics” technology.

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