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Some new refractometric results are obtained in the visible and the near-infrared spectral regions. The main optical plastics are analyzed: poly(methyl methacrylate), polystyrene, polycarbonate, and styrene acrylonitrile. New materials, such as methyl methacrylate styrene copolmer, CTE-Richardson, Zeonex, Optorez, and Bayer are examined. The refractive indices are measured for wavelengths from 435.8 to 1052 nm with a new device. Abbe constants and dispersion coefficients are calculated. The measured and computed data is intended for designers and technologists.

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The results obtained in the realization of 3X magnifier hybrid optical designs for NV goggles are presented. The refractive indices of the used optical plastic materials are analyzed. A dispersive formula for IR region indices computing is used. Two eyepiece all-plastic configurations are achieved. The optical performance of the designed systems are discussed. Some updated plastic-glass optical schemes are illustrated.