Dickmann, J.; Sauer, S.; Meyer, J.; Gaedtke, M.; Siefke, T. et al.: Experimental realization of a 12,000-finesse laser cavity based on a low-noise microstructured mirror. In: Communications Physics 6 (2023), Nr. 1, 16. DOI:
https://doi.org/10.1038/s42005-023-01131-1