Sapphire is an ideal, multispectral and broadband window material.

蓝宝石是一种极为理想的多光谱宽波段窗口材料.

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Its band gap is about 2.45 eV, a better window material and transition layer material.

带隙约为2.45eV, 由于带隙大,是一种较好的窗口材料和过渡层材料.

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In comparison with general broadband window material, it has good mechanical and optical characteristics.

与普通的宽波段窗口材料相比, 它具有许多优良的机械特性和光学特性.

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