J. Koetke

Infrared excited-state absorption and stimulated-emission cross sections of Er3+-doped crystals

G. Huber, G. Huber, J. Koetke, 1995 .

Spectroscopy and green upconversion laser emission of Er3+‐doped crystals at room temperature

Günter Huber, Bruce H. T. Chai, Ernst Heumann, 1994 .

Spectroscopy of Ni2+-doped garnets and perovskites for solid state lasers

Klaus Petermann, G. Huber, J. Koetke, 1991 .

Quasi-continuous wave laser operation of Cr4+-doped Y2SiO5 at room temperature

Orazio Svelto, M. Danailov, Günter Huber, 1993 .