KEYWORDS: Frequency combs, Mid-IR, Molecules, Ytterbium, Spectroscopy, Signal detection, Optical parametric oscillators, Non-invasive medical diagnostics, Near infrared spectroscopy, Molecular spectroscopy
We used a mid-infrared frequency comb to detect SARS-CoV-2 infection by measuring exhaled breath molecular contents. A trial study was conducted for the first time and excellent diagnostic power was found. Mid-infrared laser sensing technologies can have unprecedented potential for non-invasive optical diagnoses of some of the most pressing medical cases.
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