The graph below shows the total number of publications each year in Cavity Ring-Down Spectroscopy and Radiocarbon Detection. References [1] Mid-infrared supermirrors with finesse exceeding 400 000.

A new publication from Opto-Electronic Advances; DOI 10.29026/oea.2024.240077 , discusses agile cavity ringdown spectroscopy enabled by moderate optical feedback to a quantum cascade laser.