Mr. Jijun Ni Profile

Jijun Ni

at NIAOT

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Author

Publications (6)

Proceedings Article | 13 September 2024 Paper

Design and simulation of a thermostatic cover for the edge sensor of segmented mirror telescope

Pengfei Huang, Chengliang Pan, Zhengtai Cheng, Jijun Ni, Wei Li

Proceedings Volume 13178, 131780H (2024) https://doi.org/10.1117/12.3032423

KEYWORDS: Sensors, Temperature metrology, Segmented mirrors, Astronomical telescopes, Telescopes, Temperature distribution, Mirrors, Microcrystalline materials, Device simulation, Design

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Proceedings Article | 11 September 2024 Poster + Paper

Testing of eddy current edge displacement sensor on LAMOST

Shuyu Zhu, Jijun Ni, Jing Yin, Zhihua Feng

Proceedings Volume 13094, 130943J (2024) https://doi.org/10.1117/12.3022677

KEYWORDS: Sensors, Telescopes, Mirrors, Astronomy, Astronomical telescopes, Thermal stability, Matrices, Design, Confocal microscopy

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Proceedings Article | 6 July 2018 Paper

The research progress of eddy current edge sensors for Chinese Extremely Large Telescope

Jijun Ni, Wei Li, Jing Yin, Chengliang Pan, Yong Zhang

Proceedings Volume 10700, 1070063 (2018) https://doi.org/10.1117/12.2312584

KEYWORDS: Sensors, Prototyping, Temperature metrology, Large telescopes, Nanoimprint lithography, Segmented mirrors, Resistance, Astronomical imaging, Mirrors, Sensing systems

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Proceedings Article | 22 July 2014 Paper

Research progress of co-phasing inductance edge sensor for Chinese extremely large telescope

Yong Zhang, Qimeng Wang, Yeping Li, Guohua Zhou, Jijun Ni, Aihua Li, Hongmei Li, Yizhong Zeng

Proceedings Volume 9145, 91454Y (2014) https://doi.org/10.1117/12.2056332

KEYWORDS: Sensors, Telescopes, Active optics, Astronomical telescopes, James Webb Space Telescope, Mirrors, Segmented mirrors, Space telescopes, Inductance, Large telescopes

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Proceedings Article | 22 July 2014 Paper

Latest progress of LAMOST primary co-phasing experiment in NIAOT, China

Yong Zhang, Xiangqun Cui, Hongmei Li, Jijun Ni, Aihua Li, Zhengqiu Yao, Xuefei Gong, Genrong Liu, Yuefei Wang, Yeping Li, Yizhong Zeng, Guohua Zhou

Proceedings Volume 9145, 91454W (2014) https://doi.org/10.1117/12.2055762

KEYWORDS: Sensors, Active optics, James Webb Space Telescope, Telescopes, Space telescopes, Mirrors, Actuators, Segmented mirrors, Image segmentation, Astronomical telescopes

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Proceedings Article | 17 September 2012 Paper

Outdoors phasing progress of dispersed fringe sensing technology in NIAOT, China

Yong Zhang, Xiangqun Cui, Genrong Liu, Yuefei Wang, Jijun Ni, Hongmei Li, Yizhong Zeng, Aihua Li, Yeping Li, Zhixu Wu

Proceedings Volume 8444, 844461 (2012) https://doi.org/10.1117/12.923693

KEYWORDS: Sensors, Calibration, Active optics, Mirrors, Segmented mirrors, Telescopes, Sensor calibration, James Webb Space Telescope, Actuators, Astronomical telescopes

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Showing 5 of 6 publications

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