Novel solid state / fiber / diode lasers and applications (1)

[ALPS9-02] Low-doped Tb:YLF for direct blue laser

*Moritz Badtke¹, Sascha Kalusniak¹, Stefan Püschel¹, Hiroki Tanaka¹, Christian Kränkel¹ (1. Leibniz-Institut für Kristallzüchtung)

Low-doped Tb³⁺:YLF samples exhibit strong fluorescence from the ⁵D₃ multiplet under UV excitation due to decreasing cross-relaxation strength. We evaluate the potential of this emission for direct violet or blue lasing.