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A novel method of calculation-separating second order spectrum in grating spectrometers (EI CONFERENCE)

文献类型：会议论文

作者Xiang Y.
出版日期2005
会议名称ICO20: Optical Devices and Instruments, August 21, 2005 - August 26, 2005
会议地点Changchun, China
关键词In grating spectrometers according to wavelength short-wave second-order spectrum superimposes on long-wave spectrum with the wavelength twice as long as the short-wave. Usually spectrum of long-wave range is got via preventing the superimposition of short-wave second-order spectrum by cut-off filters. This paper analyses the characteristic of the ratio of short-wave second-order spectrum in long-wave superimposing spectral range to first-order spectrum in short-wave free spectral range of diffraction gratings. The paper studies a novel method of obtaining long-wave spectrum via calculation-separating short-wave second-order spectrum from mixed spectra in long-wave superimposing spectral range by data processing with the spectrum of free spectral range and the ratio (instrumental parameter) of short-wave second-order spectrum to first-order spectrum measured beforehand. Spectrum-measurement experiments were carried out by VIS-NIR spectrometers (0.36 - 1.0m). That the spectrum data got via calculation-separation coincide with those got via cut-off filter indicates that spectrum can be obtained by processing the measured date without filters in whole operating wavelength.
收录类别EI
源URL[http://ir.ciomp.ac.cn/handle/181722/33610]  
专题长春光学精密机械与物理研究所_中科院长春光机所知识产出_会议论文
推荐引用方式
GB/T 7714		 Xiang Y.. A novel method of calculation-separating second order spectrum in grating spectrometers (EI CONFERENCE)[C]. 见:ICO20: Optical Devices and Instruments, August 21, 2005 - August 26, 2005. Changchun, China.

入库方式： OAI收割

来源：长春光学精密机械与物理研究所

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