Ralf Ruhmann

Planar and Homeotropic Alignment of LC Polymers by the Combination of Photoorientation and Self-Organization

Johann G. Meier, Ralf Ruhmann, Joachim Stumpe · Macromolecules · 2000 · 89 citations

Photoreaction in mesogenic media, 5. Photoinduced optical anisotropy of liquid‐crystalline sidechain polymers with azochromophores by linearly polarized light of low intensity

Joachim Stumpe, Lutz Müller, D. Kreysig et al. · Die Makromolekulare Chemie Rapid Communications · 1991 · 85 citations

Polymer Chemistry, Optical Materials, Mesogenic Media +12

Photo-orientation in amorphous and aligned films of photochromic liquid crystalline polymers

Joachim Stumpe, Lutz Läsker, Thomas M. Fischer et al. · Thin Solid Films · 1996 · 81 citations

Materials Science, Engineering, Optical Properties +10

Photoinduced Optical Anisotropy in Amorphous Films of Liquid Crystalline Polymers

Lutz Läsker, Thomas Fischer, Joachim Stumpe et al. · Molecular crystals and liquid crystals science technology. Section A, Molecular crystals and liquid crystals/Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals · 1994 · 71 citations

Optical Materials, Liquid Crystalline Polymers, Engineering +17

First example of a non-toxic thermochromic polymer material – based on a novel mechanism

A. Seeboth, D. Lötzsch, Ralf Ruhmann · Journal of Materials Chemistry C · 2013 · 48 citations · Full text

Macromolecular Chemistry, Engineering, Responsive Polymers +22