Optical cavities for mode-lockin of Nd, Yb, Er, Tm and Ho doped single crystals. Pumping based either on Ti-saphire laser or diode lasers.

Optical absorption and reflectance (200-3000 nm). Varian spectrophotomermeter, model Cary5E. Operation range from 6 to 300 K.

Fluorescence setup based in laser excitation (Excimer, Ar, Ti-sapphire, Dye, MOPO). Lifetime determination (>10 ns). Detection range from 400 to 2500 nm. Operation range from 6 to 300 K.

Diode laser excited fluorescence setup for upconversion monitoring.