We report on the determination of the electro-neutron-optic coefficient of 7LiNbO3:Fe. Standard hologram recording results in a space-charge field that generates a spatially varying strain field via the inverse piezoelectric effect. This is regarded as a neutron refractive-index change from which cold neutrons are diffracted. A measurement of the angular dependence of the neutron diffraction efficiency enables us to calculate the first electro-neutron-optic coefficient.

© 1999 Optical Society of America

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