Hou Junfeng; Wang Dongguang; Deng Yuanyong; Sun Yingzi; Zhang Zhiyong
Source Publicationchinesephysicsb
AbstractPolarization calibration unit (PCU) has become an indispensable element for solar telescopes to remove the instrumental polarization; the polarimetric accuracy of calibration depends strongly on the properties of PCU. In the paper, we analyze the measurement errors induced by PCU based on polarized light theory and find that the imperfections of the waveplate generate the main calibration errors. An optimized calibration method is proposed to avoid the effects from waveplate imperfections, and a numerical simulation is given to evaluate the polarization accuracy by analyzing the relation between calibration error and intensity instability. The work is very important for solar telescopes with high polarization precision up to 10(-4) I-c.
Funding Project[National Natural Science Foundation of China]
Document Type期刊论文
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Hou Junfeng,Wang Dongguang,Deng Yuanyong,et al. erroranalysisandoptimaldesignofpolarizationcalibrationunitforsolartelescope[J]. chinesephysicsb,2017,26(8).
APA Hou Junfeng,Wang Dongguang,Deng Yuanyong,Sun Yingzi,&Zhang Zhiyong.(2017).erroranalysisandoptimaldesignofpolarizationcalibrationunitforsolartelescope.chinesephysicsb,26(8).
MLA Hou Junfeng,et al."erroranalysisandoptimaldesignofpolarizationcalibrationunitforsolartelescope".chinesephysicsb 26.8(2017).
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