@article{petit:cea-00348680, TITLE = {{Spectroscopy of Yb3+ :CaF2: From isolated centers to clusters}}, AUTHOR = {Petit, Vincent and Camy, Patrice and Doualan, Jean-Louis and Portier, Xavier and Moncorg{\'e}, Richard}, URL = {https://cea.hal.science/cea-00348680}, JOURNAL = {{Physical Review B: Condensed Matter and Materials Physics (1998-2015)}}, PUBLISHER = {{American Physical Society}}, VOLUME = {78}, PAGES = {085131}, YEAR = {2008}, HAL_ID = {cea-00348680}, HAL_VERSION = {v1}, }