Schematic of the experimental arrangement and a rise time curve with a resistor of 10 kΩ.
Upconversion spectrum of Ho3+ doped Y2O3 ceramic by excitation of a 532 nm laser. Partial energy-level diagram and corresponding transitions illustrated in the inset.
Measured temporal evolution of the 3 D 3 state (362 nm (a), and 414 nm (b)), and the 5 F 4/5 S 2 state (550 nm (c)) by excitation of a 532 nm laser.
Luminescence spectrum of Yb3+-Tb3+ co-doped oxyfluoride glass excited by a 473 nm laser. Partial energy-level diagram for corresponding transitions is illustrated in the inset.
Measured temporal evolution of the 5 D 4 state (542 nm (a)) of Tb3+, and the 2 F 5/2 state (1020 nm (b)) of Yb3+ ion under the excitation of a 473 nm laser.
Article metrics loading...
Full text loading...