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	A high precision phase reconstruction algorithm for multi-laser guide stars adaptive optics
	He, B.; L. F. Hu; D. Y. Li; H. Y. Xu; X. Y. Zhang; S. X. Wang; Y. K. Wang; C. L. Yang; Z. L. Cao; Q. Q. Mu
刊名	Chinese Physics B
	2016
卷号	25期号:9
英文摘要	In this paper, the step-down aging test for light-emitting diode (LED) lamps is designed according to the stopping rule of the IESTM-28 standard and experimental data. The step-down aging experiment is under the temperature stresses of 90 degrees C, 80 degrees C, 70 degrees C, and 60 degrees C, from which the temperatures for two-step-down aging test are selected. A Nelson model is used to calculate the equivalent time from one temperature to another, and a two-stage method is adopted to establish the reliability model of LED lamps under accelerated temperature. Then, the lifetime at the ambient temperature of 25 degrees C is deduced by the use of Arrhenius model. It is shown that the temperatures of 90 degrees C and 80 degrees C for two-step-down aging test are the best choice, with standard deviation of reliability and standard deviation of relative lifetime less than 11% and 20%, respectively. The accelerated aging time is <1200 h, which meets the requirement of quick lifetime prediction of LED lamps.
收录类别	SCI ; EI
语种	英语
内容类型	期刊论文
源URL	[http://ir.ciomp.ac.cn/handle/181722/56957]
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
推荐引用方式 GB/T 7714	He, B.,L. F. Hu,D. Y. Li,et al. A high precision phase reconstruction algorithm for multi-laser guide stars adaptive optics[J]. Chinese Physics B,2016,25(9).
APA	He, B..,L. F. Hu.,D. Y. Li.,H. Y. Xu.,X. Y. Zhang.,...&X. H. Lu and L. Xuan.(2016).A high precision phase reconstruction algorithm for multi-laser guide stars adaptive optics.Chinese Physics B,25(9).
MLA	He, B.,et al."A high precision phase reconstruction algorithm for multi-laser guide stars adaptive optics".Chinese Physics B 25.9(2016).

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