Abstract
Abstract We examined the optical nonlinear properties of ZnO–Nb 2 O 5 –TeO 2 . The absorption and Raman spectra were measured, the third-order nonlinear susceptibility was determined by degenerated four wave mixing technique. The magnitude of χ (3) is about 1.0 × 10 −12 esu, larger than that of silica glasses, and the optical bistability was observed in a Fabry–Perot cavity.
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