2013•Journal of Applied PhysicsRequires access

Interferometric measurement of the pyroelectric coefficient in lithium niobate

S. T. Popescu, A. Petriş, Valentin I. Vlad

Abstract

We report the measurement of pyroelectric field in LiNbO3 by introducing a new method, based on optical interferometry. The pyroelectric coefficient of the congruent LiNbO3 crystals has been determined by this method and the value obtained for it, ∼95 μC/(m2 · K), is consistent with previous results reported in literature, obtained by other methods.

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Key concepts: Pyroelectricity, Lithium niobate, Interferometry, Optics, Materials science, Lithium (medication), Ferroelectricity, Optoelectronics