Photovoltaic contribution to counter-propagating two-beam coupling in photorefractive lithium niobate
Abstract
A direct observation of the role of the photovoltaic effect in counter-propagating two-beam coupling in photorefractive iron-doped lithium niobate has been made. Through the application of a strong external field we directly observe that the photovoltaic effect is the dominant mechanism for a counter-propagating two-beam optical limiting geometry. We find that the contribution to counter-propagating two-beam coupling gain coefficient from the photovoltaic effect is approximately five times greater than that arising from diffusion mechanisms alone.
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270267
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0x95644003c57E6F55A65596E3D9Eac6813e3566dA
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270267
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10.1016/s0030-4018(01)01208-1
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Scimatic Chain (ID: 481)
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