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Irradiation study of liquid crystal variable retarder for Full-disk Magneto-Graph payload onboard ASO-S mission*
Alternative TitleWOS:000551707400001;20202908949304
Hou, Jun-Feng; Wang, Hai-Feng; Wang, Gang; Luo, Yong-Quan; Li, Hong-Wei; Zhang, Zhen-Long; Wang, Dong-Guang; Deng, Yuan-Yong
Source PublicationCHINESE PHYSICS B
2020
Volume29Issue:7Pages:74208
DOI10.1088/1674-1056/ab8c40
ISSN1674-1056
Language英语
Keywordsolar telescope liquid crystal variable retarder (LCVR) irradiation POLARIMETRY POLARIZATION
AbstractThe Advanced Space-based Solar Observatory (ASO-S) is a mission proposed by the Chinese Solar Physics Community. As one of the three payloads of ASO-S, the Full-disc Magneto-Graph (FMG) will measure the photospheric magnetic fields of the entire solar disk with high spatial and temporal resolution, and high magnetic sensitivity, where liquid crystal variable retarder (LCVR) is the key to whether FMG can achieve its scientific goal. So far, there is no space flight experience for LCVR. Therefore, irradiation study for LCVRs becomes more important and urgent in order to make sure their safety and reliability in space application. In this paper,lambda irradiation, proton irradiation, and ultra-violet (UV) irradiation are tested for LCVRs respectively. The optical and chemical properties during irradiation tests are measured and analyzed. For optical properties, there is no significant change in those parameters FMG payload concerned except the retardation. Although there is no drastic degradation in the retardationversusvoltage during irradiations, the amount of retardation variation is much higher than the instrument requirements. Thus, an in-flight retardationversusvoltage should be added in FMG payload, reducing or even avoiding the impact of retardation change. For chemical properties, the clearing point and birefringence of the LC materials almost have no change; the ion density dose not change below 60 krad[Si], but begin to increase dramatically above 60 krad[Si].
Indexed BySCI ; EI
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7684
Collection中国科学院国家空间科学中心
Affiliation1.[Hou, Jun-Feng
2.Wang, Gang
3.Wang, Dong-Guang
4.Chinese Acad Sci, Key Lab Solar Act, Natl Astron Observ, Beijing 100101, Peoples R China
5.[Wang, Hai-Feng
6.China Acad Engn Phys, Inst Fluid Phys, Mianyang 621900, Sichuan, Peoples R China
7.[Li, Hong-Wei
8.Chinese Acad Sci, Natl Space Sci Ctr, Beijing 100190, Peoples R China
9.[Hou, Jun-Feng
10.Wang, Gang
11.Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing 101408, Peoples R China
Recommended Citation
GB/T 7714
Hou, Jun-Feng,Wang, Hai-Feng,Wang, Gang,et al. Irradiation study of liquid crystal variable retarder for Full-disk Magneto-Graph payload onboard ASO-S mission*[J]. CHINESE PHYSICS B,2020,29(7):74208.
APA Hou, Jun-Feng.,Wang, Hai-Feng.,Wang, Gang.,Luo, Yong-Quan.,Li, Hong-Wei.,...&Deng, Yuan-Yong.(2020).Irradiation study of liquid crystal variable retarder for Full-disk Magneto-Graph payload onboard ASO-S mission*.CHINESE PHYSICS B,29(7),74208.
MLA Hou, Jun-Feng,et al."Irradiation study of liquid crystal variable retarder for Full-disk Magneto-Graph payload onboard ASO-S mission*".CHINESE PHYSICS B 29.7(2020):74208.
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