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本文是从动力传输的角度,用类比法讨论了光学增透膜与增反膜的作用机理,并提出了一种用弦线波演示该机理的方法,该方法简便易行,效果明显,可以启发学生的横向思维。
In this paper, from the perspective of power transmission, the mechanism of action of AR coating and antireflection film is discussed by analogy method. A method of using chord wave to demonstrate this mechanism is presented. The method is simple and easy to operate with obvious effect. Inspire students’ lateral thinking.