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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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光洁金属表面方向发射率的一种计算方法
Keywords: 光学常数,k-k关系式,方向发射率
Abstract:
？用红外光谱仪测定光洁金属表面反射率谱，再根据kramers-kronig积分式和fresnel方程，计算出几种金属表面的折射率n(w)和消光系数k(w)，然后使用n(w),k(w)，和mcmahon关系式求出全波长方向发射率(0~90°)。与用“全波长方向发射率测定装置”测定的结果的比较表明，在0~60°的范围内两者基本一致。本文提出的方法克服了在实验上获得材料表面大角度方向发射率的困难。
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