(Ecole Polytechnique Fédérale de Lausanne) Researchers at EPFL have developed a simple mid-infrared laser source that can be used to detect pollution in the air or molecules in someone's breath. Their system takes up considerably less space than the large ones typically used for such tasks.
from EurekAlert! - Technology, Engineering and Computer Science http://bit.ly/2OPCDZ0
Friday, April 5, 2019
Detecting pollution with a compact laser source
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