H. G. Festl

Investigations of the Photovoltaic Tensor in Doped LiNbO3

P. Hertel, R. Baltz, E. Krätzig, 1982 .

Light induced refractive index changes in PMMA films doped with styrene

H. Franke, E. Krätzig, H. G. Festl, 1984 .

Optical waveguiding in doped poly(methyl methacrylate)

H. Franke, E. Krätzig, H. G. Festl, 1985 .