A novel approach to cavity ring-down spectroscopy with the sample gas in saturated-absorption regime allows to decouple and simultaneously retrieve empty-cavity background and absorption signal, improving both measurement sensitivity and resolution.
G. GiusfrediSaverio BartaliniSimone BorriP. CancioIacopo GalliD. MazzottiPaolo De Natale
D. MazzottiSaverio BartaliniP. CancioIacopo GalliG. GiusfrediPaolo De Natale
R. EngelnGert von HeldenGiel BerdenGerard Meijer
N.L. AndrewsJessica LitmanKlaus BeschererJack A. BarnesHans‐Peter Loock