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VOLUME 41 (1985) | ISSUE 9 | PAGE 370
Direct observation of a circular photocurrent in lithium niobate
A new method is proposed for observing a spatially oscillatory photocurrent. A circular photocurrent has been observed by direct measurements for the first time in lithium niobate. The experimental results show that in lithium niobate the tensor component corresponding to the circular photovoltaic effect is larger than the off-diagonal component of the tensor of the linear photovoltaic effect, β\5.