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Effect of refractive index measurement error on immersion grating spectral lines
Tang, Qian1,2,3; Zhang, Chun Min1; Zhao, Bao Chang4
2019
Conference Name5th Symposium on Novel Optoelectronic Detection Technology and Application
Source PublicationFifth Symposium on Novel Optoelectronic Detection Technology and Application
Volume11023
Conference Date2018-10-24
Conference PlaceXi'an, China
PublisherSPIE
Contribution Rank1
AbstractFirstly, the effect of refractive index changes on spectral line spacing is calculated and analyzed. Because refractive index changes with wavelength-variety, theoretically, the 0.5 nm interval should be separated by 5 pixels. The spectral distribution will drift with considering the changes in refractive index. At the same time, the inversed spectral line drift caused by measurement errors(±1×10-3?1/4?±1×10-4?1/4?±1×10-5) are analyzed. The same refractive index error, the effect on long waves is greater than short waves. When the refractive index is positive, the spectral line drifts in the negative direction. When the refractive index is negative, the spectral lines drift in the positive direction, and the positive and negative drift are basically symmetrical. When the accuracy error of refractive index measurement is ±1×10-4, the spectral line drift is 0.7 pixels. When the error increases or decreases by an order of magnitude, the number of drift elements also increases or decreases by the same order of magnitude. © 2019 SPIE.
Department空间光学应用研究室
DOI10.1117/12.2522019
Indexed ByEI
ISBN9781510627123
Language英语
ISSN0277786X; 1996756X
EI Accession Number20191506748648
Citation statistics
Document Type会议论文
Identifierhttp://ir.opt.ac.cn/handle/181661/31382
Collection空间光学应用研究室
Affiliation1.Institute of Space Optics, School of Science, Ministry of Education Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi'an Jiaotong University, Xi'an; 710049, China;
2.School of Physics and Optoelectronic Engineering, Xidian University, Xi'an; 710071, China;
3.Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen; 518060, China;
4.Xi'an Institute of Optics and Precision Mechanics of Chinese Academy of Sciences, Space Optical Technology Research Department, Xi'an; 710119, China
Recommended Citation
GB/T 7714
Tang, Qian,Zhang, Chun Min,Zhao, Bao Chang. Effect of refractive index measurement error on immersion grating spectral lines[C]:SPIE,2019.
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