| 光程的概念与薄膜干涉中光程差的表示方法 |
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| 引用本文： | 苏润洲,陈小凡,汤冬华. 光程的概念与薄膜干涉中光程差的表示方法[J]. 高师理科学刊, 2014, 0(6): 43-45 |
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| 作者姓名： | 苏润洲 陈小凡 汤冬华 |
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| 作者单位： | 1. 东北林业大学 理学院,黑龙江 哈尔滨,150040
2. 哈尔滨工业大学 理学院,黑龙江 哈尔滨,150001 |
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| 摘 要： | 给出了光程定义的数学表达式,提出了"几何光程"和"物理光程"的概念,同时在光程及光程差的表达式中引入"半波损失选择项".采用这样的表述方式,使学生在讨论薄膜干涉时,思路清晰明了,结果(即得到的公式)适合任意情况.
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| 关 键 词： | 光程 半波损失 薄膜干涉 |
The concept of optical path and the representation of optical path difference in thin film interference |
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| SU Run-zhou,CHEN Xiao-fan,TANG Dong-hua. The concept of optical path and the representation of optical path difference in thin film interference[J]. Journal of Science of Teachers＇College and University, 2014, 0(6): 43-45 |
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| Authors: | SU Run-zhou CHEN Xiao-fan TANG Dong-hua |
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| Affiliation: | SU Run-zhou, CHEN Xiao-fan, TANG Dong-hua (1. School of Science, Northeast Forestry University, Harbin 150040, China; 2. School of Science, Harbin Institute of Technology, Harbin 150001, China ) |
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| Abstract: | The rigorous mathematical expression for optical path is given.The concepts of geometrical optical path and physical optical path are proposed,and an optional item of half wave loss is introduced in both the expressions of optical path and optical path difference.Using this new group of formulas, the students can get a quite clear way of thinking in the study of thin film interference,and more importantly,the formulas are general and the results are valid for any complicated cases. |
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| Keywords: | optical path half wave loss thin film interference |
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