| 凸面光栅Offner结构成像光谱仪的傅里叶分析 |
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| 引用本文： | 黄元申,陈家璧.凸面光栅Offner结构成像光谱仪的傅里叶分析[J].光学仪器,2007,29(6):40-43. |
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| 作者姓名： | 黄元申 陈家璧 |
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| 作者单位： | 上海理工大学光电学院,上海,200093 |
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| 摘 要： | 用傅里叶光学对凸面光栅Offner结构成像光谱仪的光学系统进行了分析;给出了当探测器的接收面放在负一级光谱像平面上时的光强分布公式,建立了探测器接收面上的光强分布与地面目标的空间信息及光谱信息之间的一一对应关系。在此基础上可以对目标进行直接分析。
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| 关 键 词： | 成像光谱仪 凸面光栅 Offner结构 同心光学系统 |
| 文章编号： | 1005-5630(2007)06-0040-04 |
| 收稿时间： | 2007/1/19 |
| 修稿时间： | 2007年1月19日 |
Fourier analysis of Offner imaging spectrometer composed of a convex grating |
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| HUANG Yuan-shen,CHEN Jia-bi.Fourier analysis of Offner imaging spectrometer composed of a convex grating[J].Optical Instruments,2007,29(6):40-43. |
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| Authors: | HUANG Yuan-shen CHEN Jia-bi |
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| Abstract: | The optical system of Offner imaging spectrometer composed of a convex grating is discussed in this paper with Fourier optics.The formula of optical strength scattering is introduced when the receiving plane of sensor is on the-1th order spectral image plane.The relative relationship between the scattering characteristics of optical strength on the receiving plane of sensor and the spatial message and the spectral message of the target on the Earth's surface is established.On the basis of the relationship,we can analyze the target directly. |
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| Keywords: | imaging spectrometer convex grating Offner system concentric optical system |
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