Abstract
We theoretically and experimentally study phase contrast using a photorefractive LiNbO3:Fe crystal sheet and realize the high-performance phase contrast operation using C-cut LiNbO3:Fe crystal sheets in which the photovoltaic effect plays an important role. We estimate the maximum photovoltaic field in LiNbO3:Fe using the phase contrast method.
© 1995 Optical Society of America
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