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Air Lasing Augments Spectroscopic Method for Remote Detection

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SHANGHAI, June 24, 2022 — Researchers at the Shanghai Institute of Optics and Fine Mechanics (SIOM) demonstrated how air lasing, a technique deployed in ambient air that is induced by femtosecond laser pulses and that generates cavity-free amplification in the air, could be used to assist coherent Raman spectroscopy in the remote sensing of pollutants in the atmosphere. The team’s method provided both multicomponent measurement capabilities and chemical specificity. The air-lasing-assisted Raman spectroscopy technique offers a versatile way to detect gas pollutants and greenhouse gases with high...Read full article

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