Preparation and optical properties of CdxHg1-xTe doped silica glass |
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Authors: | Hongling Liu Sasa Wang Liangying Zhang Xi Yao |
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Affiliation: | a Electronic Materials Research Laboratory (EMRL), Xi'an Jiaotong University, Xi'an, China |
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Abstract: | In this paper, the CdxHg1-xTe (x=1-0.7) doped silica glass was prepared through two step sol-gel process and in-situ growth technique from tetraethoxysilane (TEOS), cadmium acetate, mercury acetate and telluric acid. The influence of various factors on the glass was studied. The structure of the microcrystals was investigated by XRD. The absorption and transmittance spectrum of the composite showed that the shift of absorption edge was in conformity with the quantum size effect. The third-order nonlinear optical susceptibility χ(3) was measured by the degenerate four wave mixing (DFWM). The values of χ(3) was in the range of 10-11-10-12 MO esu at wavelength of 1.06 μm. |
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