25 October 2004 Transparent ferroelectric glass-ceramics for second harmonic generation and electro-optic device applications
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Proceedings Volume 5597, Nanophotonics for Communication: Materials and Devices; (2004) https://doi.org/10.1117/12.572465
Event: Optics East, 2004, Philadelphia, Pennsylvania, United States
Abstract
There is strong need for low cost, optically active materials whose high electro-optic (EO) and second harmonic generation (SHG) properties can be engineered flexibly, in bulk and fiber forms. Therefore, we have fabricated transparent ferroelectric composites consisting of strontium barium niobate crystallites in a refractive index compatible tellurium oxide (TeO2) glass matrix. Several glass compositions, in the series x SrO-(10-x) BaO-y (Nb2O5)-(90-y) TeO2 (where x=2.5, 5 and 7.5 and y = 10, 15, 20 and 25), have been prepared by a conventional melt quenching technique. The compositions have been selected on the basis of thermal stability data obtained from differential thermal analysis (DTA). X-ray diffraction studies indicate ferroelectric phase formation in the controlled crystallized glasses. The non-centrosymmetric nature of the crystallized regions has been monitored via observing the second harmonic signal.
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Syam Prasad Nukavarapu, Himanshu Jain, Jean Toulouse, B. Esembeson, Ivan Biaggio, Jausheng Wang, "Transparent ferroelectric glass-ceramics for second harmonic generation and electro-optic device applications", Proc. SPIE 5597, Nanophotonics for Communication: Materials and Devices, (25 October 2004); doi: 10.1117/12.572465; https://doi.org/10.1117/12.572465
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