Abstract
A series Ge15Ga5AgxTe80-x (GGAT-x, for x=0 to 15 mol%) chalcogenide glass were prepared using conventional melt-quenching methods, and the properties of the glass with different Ag content were studied. The thermal and optical properties of the glass were tested by X-ray, differential scanning calorimeter, Fourier infrared spectrometer, ellipsometer, etc. The results show that the glass has ultra-high refractive index (3.47@10um) and low dispersion, and has wide infrared optical windows, the cut-off wavelength reaches 25um, and the transmittance reaches 55%. The excellent characteristics of this component have broad application prospects in the far infrared application.
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