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| 两种干涉成像光谱技术方案的比较 | |
| 引用本文： | 相里斌,吕群波,黄旻,姚涛.两种干涉成像光谱技术方案的比较[J].光谱学与光谱分析,2010,30(5). |
| 作者姓名： | 相里斌 吕群波 黄旻 姚涛 |
| 作者单位： | 1. 中国科学院光电研究院,北京,100080 2. 中国科学院光电研究院,北京,100080;中国科学院研究生院,北京,100049 3. 中国科学院西安光学精密机械研究所,陕西,西安,710119;中国科学院研究生院,北京,100049 |
| 基金项目： | 国家自然科学基金，国家(973计划)项目 |
| 摘 要： | 对"大孔径静态干涉成像光谱技术"方案与以色列学者提出的"两维景物光谱同时测量方法"进行了分析和比较,讨论了这2种干涉成像光谱技术方案中干涉仪与成像光学系统两方面的差异,通过计算机模拟,给出了"两维景物光谱同时测量方法"的光程差非线性变化。受"两维景物光谱同时测量方法"的启发,提出基于横向剪切干涉仪的时间调制型干涉成像光谱技术方案,研究了匀速转动横向剪切干涉仪时,各不同视场像元处光程差的变化规律。 |
| 关 键 词： | 干涉成像光谱仪 Sagnac干涉仪 光程差 |
Comparison of Two Types of Fourier Transform Imaging Spectrometry |
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| XIANGLI Bin,L Qun-bo,HUANG Min,YAO Tao.Comparison of Two Types of Fourier Transform Imaging Spectrometry[J].Spectroscopy and Spectral Analysis,2010,30(5). | |
| Authors: | XIANGLI Bin L Qun-bo HUANG Min YAO Tao |
| Institution: | XIANGLI Bin,L(U) Qun-bo,HUANG Min,YAO Tao |
| Abstract: | The comparison between "large aperture static imaging spectrometry(LASIS)" designed by author and "method for simultaneously measuring the spectral intensity as a function of wavelength of all the pixels of a two dimensional scene"(MSMSI)designed by Israeli researchers is given.The difference of the intedemmeters and imaging systems in LASIS and MSMSI is discussed.The nonlinear curve of optical path difference of MSMSI is simulated.Inspired by the operation of MSMSI,the time modulated Fourier transform imaging spectrometry based on lateral shearing interferometer was presented.The optical path differences of different field of view were given under the condition of regularly rotating the lateral shearing intederometer. |
| Keywords: | Fourier transform imaging spectrometer Sagnac intederometer Optical path difference |
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