Effect is to broaden the reflection peak.
Bragg reflect at two different wavelengths. Optical micrograph reveals the dual domains. Before 1960, liquid crystals were virtually unknown. It is not surprising, then, that research into liquid crystal and polymer materials is a high priority in many university, industrial and government laboratories. A major emphasis in Professor Crawford's laboratory is dispersions of liquid crystals and polymers, liquid crystal polymers, and reactive mesogens to produce light modulators with different optical performance parameters.