Towards an optical measurement of the Boltzmann constant at the 10-5 levelK. Djerroud, C. Daussy, O. Lopez, A. Amy-Klein, S. Briaudeau, Y. Hermier and C. ChardonnetAnn. Phys. Fr., 32 2-3 (2007) 175-178DOI: https://doi.org/10.1051/anphys:2008036