关于衍射原理应用的设计性实验

山东大学学报(工学版)

关于衍射原理应用的设计性实验

姜国新

山东大学物理与微电子学院, 山东济南 250100

收稿日期:2007-05-24 修回日期:1900-01-01 出版日期:2008-02-16 发布日期:2008-02-16
通讯作者: 姜国新

A new design experiment for diffraction theory application

JIANG Guo-xin

College of Physics and Microelectronics, Shandong University, Jinan 250100, China

Received:2007-05-24 Revised:1900-01-01 Online:2008-02-16 Published:2008-02-16
Contact: JIANG Guo-xin

摘要/Abstract

摘要： 利用常见器具进行激光波长和细丝直径等的测量,要求学生自己设计实验方法和实验步骤,并分析测试中为提高测试效果应采取的措施和注意事项,实际实验中的测量结果具有较高的测量精度. 通过实验使学生充分理解衍射原理及其实际应用,在实验教学中取得比传统的利用分光计和衍射光栅进行波长测量实验更好的效果.

关键词: 衍射, 波长测量, 直径测量, 设计性实验

Abstract: Students were asked to determine the experimental method and procedure, by themselves, to measure laser wavelength and the diameter of a filament using familiar appliances or implements. This new experiment wants students to analysis the measures used in the experiment to improve testing efficiency. The obtained results show higher precision. Students can more fully understand diffraction theory and its application by this experiment than by using traditional ones to measure wavelength by spectrometer and diffraction grating.

Key words: diffraction, wavelength measurement, diameter measurement, design experiment

中图分类号:

O722

姜国新 .

关于衍射原理应用的设计性实验

[J]. 山东大学学报(工学版), 2008, 38(1): 105-108 .

JIANG Guo-xin . A new design experiment for diffraction theory application [J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2008, 38(1): 105-108 .

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