| 介质多层膜的热吸收 |
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| 引用本文： | 齐文宗,张云洞.介质多层膜的热吸收[J].光电工程,2001,28(6):33-36. |
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| 作者姓名： | 齐文宗 张云洞 |
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| 作者单位： | 中国科学院光电技术研究所,四川,成都,610209 |
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| 基金项目： | 国家863高技术资助课题 |
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| 摘 要： | 根据薄膜光学基本理论，利用一级近似数学方法，给出S，P偏振态平行光在两弱吸收介质边界反射率及透射率的简单表达式，并依此研究了弱吸收介质单层膜及多层膜的热吸收。结果表明，单一膜层的热吸收率，在膜层参数确定的条件下，不仅取决于此膜层材料的消光系数，而且取决于相邻膜层的消光系数。
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| 关 键 词： | 热吸收率 介质多层膜 薄膜光学 |
| 文章编号： | 1003-501X(2001)06-0033-04 |
| 修稿时间： | 2001年7月23日 |
Thermal Absorption of Multilayer Dielectric Coatings |
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| QI Wen-zong,ZHANG Yun-dong.Thermal Absorption of Multilayer Dielectric Coatings[J].Opto-Electronic Engineering,2001,28(6):33-36. |
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| Authors: | QI Wen-zong ZHANG Yun-dong |
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| Abstract: | According to the basic theory of optical coatings, simple expressions for reflectivity and transmittance of S- and P-polarized parallel light at the interface between two weak absorbent media are given by means of the first-order approximation. The thermal absorption of weak absorbent single-layer dielectric coating and multilayer dielectric coatings are studied based on the expressions. The results show that under the constant coating parameters the thermal absorption of the single-layer coating not only depends on the extinction coefficient of the coating, but also the extinction coefficient of the adjacent coating. |
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| Keywords: | Approximation theory Perturbation theory Thermal absorption Multilayer dielectric coatings |
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