Excited-state luminescence properties and laser performance of the Tm3+ doped perovskite YAlO3 H. MANAA, V. WIEDEMAN, R. MONCORGÉ, M. KOSELJA and J.C. SOURIAU J. Phys. IV France, 04 C4 (1994) C4-525-C4-528 DOI: 10.1051/jp4:19944126