Abstract

We report an enhanced holographic image amplification gain of over 24,000 at a wavelength of 514.5 nm by using a BaTiO3 photoelectret. The energy-transfer efficiency and amplification factor are found to depend on critical polarization conditions of the photoelectret, the beam-mixing geometries, and the intensity ratios between the reference and the object beams. The results obtained by this new technique show significant improvement over corresponding values reported previously.

© 1990 Optical Society of America

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