The dynamic properties of dichromated gelatin plates are investigated during exposure by illuminating them first by a single plane wave and second by two interfering plane waves produced from an argon-ion laser at 514.5 nm. The grating recorded is shown to be a pure absorption grating. The experimental results obtained for the output beam intensities as a function of time are compared with the predictions of a theoretical model, and reasonable agreement is found. It is further shown that owing to the effect of a humid atmosphere, the recorded grating may self-develop into a phase grating of much higher efficiency.
© 1985 Optical Society of America
J. C. Newell, L. Solymar, and A. A. Ward, "Holograms in dichromated gelatin: real-time effects," Appl. Opt. 24, 4460-4466 (1985)