Second-harmonic generation in metal oxide/ormosils nanocomposites derived from sol-gel processing

Chih-Hsing Cheng; Yuhuan Xu; John D. Mackenzie; Joseph K. Chee; Jia-ming Liu

doi:10.1117/12.132040

7 December 1992 Second-harmonic generation in metal oxide/ormosils nanocomposites derived from sol-gel processing

Chih-Hsing Cheng, Yuhuan Xu, John D. Mackenzie, Joseph K. Chee, Jia-ming Liu

Proceedings Volume 1758, Sol-Gel Optics II; (1992) https://doi.org/10.1117/12.132040
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

Nanocomposites of Ormosis containing metal oxides, such as niobates, titanates and zirconates, were prepared by sol-gel processing. The materials were hydrolyzed partially and were dried in air atmosphere for appropriate periods. Afterwards, the materials were heat- treated between 200 degree(s) and 450 degree(s)C for 2 days in pure oxygen. The final bulk samples are transparent in infrared and visible ranges. X-ray diffraction patterns showed that these samples did not have any crystalline phases after heating up to 200 degree(s)C. Using a Nd:YAG laser of 1.064 micrometers wavelength, second harmonic generation, of green light (0.532 micrometers ), was observed in these metal oxides/Ormosils nanocomposites. The refractive index and other optical properties of the metal oxides/Ormosils were also measured. The microstructures of these samples were examined by transmission electron microscopy.

Citation Download Citation

Chih-Hsing Cheng, Yuhuan Xu, John D. Mackenzie, Joseph K. Chee, and Jia-ming Liu "Second-harmonic generation in metal oxide/ormosils nanocomposites derived from sol-gel processing", Proc. SPIE 1758, Sol-Gel Optics II, (7 December 1992); https://doi.org/10.1117/12.132040

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