光栅旋转对衍射角改变量及波长的影响

doi:10.14139/j.cnki.cn22-1228.2023.01.012

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摘要

理论分析了光栅在分光计的水平载物台上旋转一定角度后对衍射角改变量的影响，并通过 Matlab 软件作曲面图直观观察衍射角改变量随光栅旋转角度和衍射角增大的变化，将实验测量数据与理论推导进行了对比，发现光栅旋转一定角度后，计算波长所用衍射角的改变量随着衍射角的增大而增大，且会对光波波长的计算造成一定误差。

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	牛彦彦

关键词: 光栅衍射角波长

Abstract:

The influence of the grating on the spectrometer table which rotated a certain angle on the change of diffraction angle is analgzed theoretically，and through the Matlab software to make surface chart which can visually observe the change of diffraction angle as you increase the rotation angle and the diffraction angle． Compared the experimental measurements with theoretical derivation，found that the grating rotated a certain angle，the change of diffraction angle used in the calculation increases with the increase of the diffraction angle，and it will cause some errors in the calculation of wavelength．

Key words: grating diffraction angle wavelength

出版日期: 2023-02-25 发布日期: 2023-02-25 整期出版日期: 2023-02-25

ZTFLH:

O 436．1

引用本文:

牛彦彦. 光栅旋转对衍射角改变量及波长的影响 [J]. 大学物理实验, 2023, 36(1): 59-62.
NIU Yanyan. Influence of Grating Ｒotation on the Change of Diffraction Angle and Wavelength . Physical Experiment of College, 2023, 36(1): 59-62.

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http://dawushiyan.jlict.edu.cn/CN/10.14139/j.cnki.cn22-1228.2023.01.012 或 http://dawushiyan.jlict.edu.cn/CN/Y2023/V36/I1/59

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