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Detecting pollution with a compact laser source

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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. 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. 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. 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. 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. 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. 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. 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. 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. 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. 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. 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.