棱镜单色仪与光栅单色仪研究+文献综述
关键词 光栅单色仪 棱镜单色仪 标定 光谱仪 中阶梯光栅 平面CCD
毕业设计说明书（论文）外文摘要
Title The research of prism monochromator and grating monochromator
Abstract
This paper is about prism monochromator and grating monochromator and spectrometer .After studying the structure of these instruments,the paper analyzes the degree of damage of the prism monochromator and grating monochromator .Then a plan of repairing these instruments is made and calibration of the grating monochromator and prism monochromator is carried out with the spectra of Na light after the monochromators are fixed. The final data is processed by fitting for curve with the help of the software of matlab ,also comparing the size of the fitting error,finally select the best interpolation formula. The principle of spectrometer and the different way of assembling the structure of the spectrometer is researched exceedingly the echelle spectrometer and plane CCD structure. The principle and structure of the Fourier transformation spectrometer is analyzed in the last part and the advantages of Fourier transformation spectrometer acompared to conventional spectrometer is also compared.
Keywords grating monochromator prism monochromator calibration plane CCD echelle spectrometer
目录
1 绪论 1
1.1 光栅单色仪 1
1.2 棱镜单色仪 2
1.3 光谱仪 3
2 单色仪原理与结构 5
2.1 棱镜单色仪 5
2.1.1 单色仪基本结构 5
2.1.2 单色仪的标定 6
2.2 光栅单色仪 6
2.2.1 光栅单色仪原理 6
2.2.2 分光部件原理 7
3 棱镜单色仪 8
3.1 查看单色仪的光路的组成 8
3.2 检查棱镜单色仪的机械结构损坏 10
3.2.1 鼓轮部分 10
3.2.2 出射光阑和入射光阑的机械结构松动 12
3.3 棱镜单色仪的标定 12
3.3.1 操作步骤 12
3.3.2 实验标定过程中出现的问题及解决方案 14
3.4 数据处理 15
3.4.1 实验数据 15
3.4.2 拟合曲线及误差分析 15
3.4.3 数据结论 19
4 光栅单色仪 19
4.1 查看光路结构 19
4.2 检查机械结构损坏 20
4.2.1 出射光阑和入射光阑损坏 20
4.2.2 原因分析 20
4.2.3 拆卸光阑 21
4.2.4 重新安装时出现的问题 22
4.3 光栅单色仪的标定 23
4.4 数据处理 24
4.4.1 实验数据 24
4.4.2 R-λ曲线拟合及误差分析 24
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