Radiocarbon dioxide detection based on cavity ring-down spectroscopy and a quantum cascade laser
Radiocarbon dioxide detection based on cavity ring-down spectroscopy and a quantum cascade laser
Monitoring of radiocarbon (C14) in carbon dioxide is demonstrated using mid-infrared spectroscopy and a quantum cascade laser. The measurement is based on cavity ring-down spectroscopy, and a high sensitivity is achieved with a simple setup. The instrument was tested using a standardized sample containing elevated levels of radiocarbon. Radiocarbon dioxide …