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[期刊论文] 作者：Cheng-Chao Liu,De-Qing Ren,Yon,
来源：天文和天体物理学研究：英文版 年份：2017
Using an optical vortex coronagraph(OVC) is one of the most promising techniques for directly imaging exoplanets because of its small inner working angle and hi...
[期刊论文] 作者：Jiang-Pei Dou,De-Qing Ren,Yong,
来源：天文和天体物理学研究：英文版 年份：2010
We propose a high-contrast coronagraph for direct imaging of young Jupiter-like planets orbiting nearby bright stars. The coronagraph employs a steptransmission...
[期刊论文] 作者：Xi Zhang,De-Qing Ren,Yong-Tian,
来源：天文和天体物理学研究：英文版 年份：2012
High-contrast imaging coronagraphs,used for the detection of exoplanets, have always adopted passive coronagraph optical components.It is therefore impossible t...
Design and calibration of a high-sensitivity and high-accuracy polarimeter based on liquid crystal v
[期刊论文] 作者：Jing Guo,De-Qing Ren,Cheng-Cha,
来源：天文和天体物理学研究：英文版 年份：2017
Polarimetry plays an important role in the measurement of solar magnetic fields. We developed a high-sensitivity and high-accuracy polarimeter(HHP) based on nem...
[期刊论文] 作者：Cheng-Chao Liu,De-Qing Ren,Yon,
来源：天文和天体物理学研究：英文版 年份：2016
The light reflected from planets is polarized mainly due to Rayleigh scattering, but starlight is normally unpolarized. Thus it provides an approach to enhance...
[期刊论文] 作者：Jiang-Pei Dou,De-Qing Ren,Yong,
来源：天文和天体物理学研究 年份：2004
Wavefront sensing from multiple focal plane images is a promising technique for high-contrast imaging systems.However,the wavefront error of an optics system ca...
[期刊论文] 作者：Xi Zhang,De-Qing Ren,Yong-Tian,
来源：天文和天体物理学研究 年份：2004
High-contrast imaging coronagraphs,used for the detection of exoplanets,have always adopted passive coronagraph optical components.It is therefore impossible to...
Stochastic parallel gradient descent based adaptive optics used for a high contrast imaging coronagr
[期刊论文] 作者：Bing Dong,De-Qing Ren,Xi Zhang,
来源：天文和天体物理学研究：英文版 年份：2011
An adaptive optics(AO) system based on a stochastic parallel gradient descent(SPGD) algorithm is proposed to reduce the speckle noises in the optical system of...
[期刊论文] 作者：De-Qing Ren,Xi Zhang,Si-Zhen L,
来源：天文和天体物理学研究：英文版 年份：2018
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[期刊论文] 作者：Bing Dong,De-Qing Ren,Xi Zhang,
来源：天文和天体物理学研究：英文版 年份：2012
Multi-conjugate adaptive optics (MCAO) can considerably extend the corrected field of view with respect to classical adaptive optics, which will benefit solar o...
Stochastic parallel gradient descent based adaptive optics used for a high contrast imaging coronagr
[期刊论文] 作者：Bing Dong,De-Qing Ren,Xi Zhang,
来源：天文和天体物理学研究 年份：2004
An adaptive optics (AO) system based on a stochastic parallel gradient descent (SPGD) algorithm is proposed to reduce the speckle noises in the optical system o...
[期刊论文] 作者：De-Qing Ren,Tian-Yu Zhang,Gang Wang,
来源：天文和天体物理学研究:英文版 年份：2021
Non-Common Path Error(NCPE) is one of the factors that limit an Adaptive Optics(AO)system from delivering ultra-high performance. To correct the NCPE associated static aberration, we propose a simple but robust and high-performance pupil-pl......
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