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Finite difference time domain (FDTD) method was used to simulate the intensity distribution of an initial plane light wave incident on the surface of an optical material. When the scratch size is far less or much larger than the incident wavelength in free space, the intensity enhancement effect is not obvious and could be neglected. When the scratch size and the incident wavelength are comparable,...
The effect of Ga2O3 addition on Raman scattering and thermal stability characteristics of TeO2-BaO-SrO-Nb2O5 glass system was investigated. With increasing Ga2O3 amount in the glass, there is only a little influence on the Raman scattering, but the thermal stability could be improved to a certain degree.
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