一种光谱分辨率可调的新型空间调制傅里叶变换光谱仪

发布时间：2018-05-21 10:57

本文选题：可调光谱分辨率 + 干涉光谱仪　；参考：《光谱学与光谱分析》2014年11期

【摘要】：调整光谱仪的光谱分辨率,可使光谱仪在满足不同目标测量需求的同时,减少数据采集、处理和存储的时间,提高仪器的整体性能。为克服传统傅里叶变换光谱仪的光谱分辨率固定的缺点,提出了一种分辨率可调的空间调制傅里叶变换光谱仪。介绍了该新型光谱仪及其干涉仪的工作原理,利用光线追迹的方法推导了光程差和横向剪切量的计算公式,并分析了新型干涉仪的光程等效模型。在此基础上,分析了光谱分辨率的调节原理。结果表明,该光谱分辨率可调的新型空间调制傅里叶变换光谱仪克服了传统光谱仪分辨率固定、稳定性差等缺点,具有分辨率可调、高稳定性、结构灵活和易于装调等特点。该研究内容为分辨率可调的干涉光谱仪的设计提供了理论基础,扩展了傅里叶变换光谱仪的实用范围。
[Abstract]:Adjusting the spectral resolution of the spectrometer can make the spectrometer meet the measurement requirements of different targets, at the same time, reduce the time of data acquisition, processing and storage, and improve the overall performance of the instrument. In order to overcome the shortcoming of fixed spectral resolution of traditional Fourier transform spectrometer, a spatially modulated Fourier transform spectrometer with adjustable resolution is proposed. The working principle of the new spectrometer and its interferometer is introduced. The calculation formulas of optical path difference and transverse shear are derived by the method of ray tracing, and the optical path equivalent model of the new type interferometer is analyzed. On this basis, the principle of spectral resolution adjustment is analyzed. The results show that the new spatial modulation Fourier transform spectrometer with adjustable spectral resolution overcomes the shortcomings of fixed resolution and poor stability of the traditional spectrometer, and has the advantages of adjustable resolution, high stability, flexible structure and easy adjustment. The research provides a theoretical basis for the design of a resolution adjustable interferometer and extends the practical scope of the Fourier transform spectrometer.
【作者单位】：北京理工大学颜色科学与工程国家专业实验室;
【基金】：国家科技支撑计划项目(2012BAK02B04) 公安部重点研究计划项目(2010ZDYJBJLG006)资助
【分类号】：TH744.1

【共引文献】