… Preliminary temperature-dependent two-beam coupling experiments demonstrated
photorefractivity for DDANS-based systems, even at temperatures below the glass transition. …

… A method to determine the glass transition temperature ( T g ) of photorefractive (PR) polymer
… The composite T g is identified as the temperature at which a clear change in slope in the …

… The poling may occur at hightemperature far above the glass transition temperature Tg, in …
operational temperature is below Tg. For example, whenTg is near the operating temperature, …

… In conclusion, the glass-transition temperature Tg was found to be an important factor in
optimizing the performance of organic PR materials. We have demonstrated that the PR …

… An important input in understanding the dynamics of the PR effect is its temperature … the
temperature dependence of photorefractivity in a low glass-transition-temperature (Tg) polymeric …

… Of the many polymeric photorefractive materials reported so far, the low glass transition
temperature (T g ) guest–host system based on a photoconducting polymer doped with a …

… from phase separation and low glass transition temperatures. … with glass transition temperatures
below room temperature … polymers exhibiting higher glass transition temperatures did …

… with the host polymer [16]. Newly synthesized photorefractive organic glass EHCzBO used
as plasticizer in this work had the good compatibility with the host polymer PCzBO since it …

… in a low glasstransition-temperature photorefractive polymeric composite. In the polymeric
… a weight ratio of 44:55:1, the glass transition temperature was lowered to 43 ◦ C. Two-beam …

… Tg of our photorefractive polymer can be lowered to room temperature simply by adding
the chromophore, differently from PVK composite which generally contain plasticizer in the …