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By exploiting the Kerr effect and the gradient of the composition ratio m, Nb/(Ta+Nb) in mol%, in KTa1−xNbxO3 (KTN) crystals, we have designed an electric-field-controlled optical switch. The operating principle of the switch is described. During the switching process, the incident linearly polarized beam is orthogonally deflected as it propagates through the crystals. The g11/g12 ratio (>10),...
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