Cavity Ring-Down Spectroscopy for Molecular Trace Gas Detection Using A Pulsed DFB QCL Emitting at 6.8 µm
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DOI: 10.3390/photonics7030074
Abstract: A trace gas sensor based on pulsed cavity ring-down spectroscopy (CRDS) was developed for measurement of the ν4 fundamental vibrational band of ammonia (NH3) centered at 1468.898 cm−1. A pulsed distributed feedback quantum cascade laser… read more here.
Keywords: ring spectroscopy; trace gas; dfb qcl; cavity ... See more keywords