FIR and optical absorption in quantum dot ensembles M.I. Vasilevskiy, A.G. Rolo, L.G. Vieira, M.V. Artemyev, S.A. Filonovich, M.J.M. Gomes and Y.P. Rakovich “The International Conference on Semiconductor Quantum Dots (QD2000)”, Munich, Alemanha, 31 Julho