Scientific Results

Spectroscopic detection of radiocarbon dioxide at parts-per-quadrillion sensitivity

Year: 2016

Authors: Galli I., Bartalini S., Barucci M., Cancio P., Cappelli F., Giusfredi G., Mazzotti D., Akikusa N., De Natale P.

Autors Affiliation: Istituto Nazionale di Ottica (INO) – CNR, Via Carrara 1, Sesto Fiorentino FI, 50019, Italy; European Laboratory for Nonlinear Spectroscopy (LENS), Via Carrara 1, Sesto Fiorentino FI, 50019, Italy; Istituto Nazionale di Ottica (INO), CNR, Largo Fermi 6, Firenze FI, 50125, Italy; Development Bureau Laser Device RandD Group, Hamamatsu Photonics KK, Shizuoka, 434-8601, Japan

Abstract: A compact and simple laser spectroscopy apparatus at 4.5 μm, based on saturated-absorption cavity ring-down (SCAR), has approached the ultimate sensitivity of accelerator mass spectrometry, measuring radiocarbon dioxide concentration down to few parts per quadrillion. © 2016 OSA.

Conference title: 2016 Conference on Lasers and Electro-Optics (CLEO 2016)
Place:

KeyWords: Radiocarbon; Cavity ring-down; Laser sensors; Spectroscopy, laser; Semiconductor laser, quantum cascade