ABSTRACT
The kinetics of bleaching of methylene blue or thionine sensitized gelatin plates are investigated with a singlebeam exposure experiment. It is found that thionine bleaching can be modeled by a first-order theory; whereas, a higher-order theory is found necessary to explain methylene blue bleaching.
ABSTRACT
The dependence of diffraction efficiency of methylene blue sensitized gelatin gratings vs dye concentration is explained in terms of the aggregations tate of the dye.
ABSTRACT
The properties of gelatin films sensitized only with methylene blue are discussed, and a modified development process which gives higher diffraction efficiency for phase holograms recorded with a He-Ne laser is presented. The behavior of transmission and reflection gratings recorded in that medium is also studied.
