Cavity-enhanced detection of transient absorption signals Fernanda C. Rodrigues-Machado, Pauline Pestre, Liam Scanlon, Shirin A. Enger, Jack C. Sankey and Lilian I. Childress EPJ Web Conf., 238 (2020) 12003 Published online: 20 August 2020 DOI: 10.1051/epjconf/202023812003