How Dual-Comb Spectroscopy Detection of Trace Gases Works (IMAGE)

National Institute of Standards and Technology (NIST)

How Dual-Comb Spectroscopy Detection of Trace Gases Works

Caption

Graphic showing how dual-comb spectroscopy of trace gases works. Laser light (red line) passes through a gas cloud, strikes a retroreflecting mirror and returns to the dual-frequency comb spectrometer (colored arrows) where it is analyzed.

Credit

Sean Coburn/University of Colorado Boulder

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