Mr. Liang Chang Profile

Liang Chang

Optical Engineer at Yunnan Astronomical Observatories CAS

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Author

Publications (7)

Proceedings Article | 20 December 2019 Paper

The optical delay measurement for Lijiang Exoplanet Tracker

Xiaoli Wang, Kaifan Ji, Peng Jiang, Jian Ge, Liang Xu, Xiaoguang Yu, Liang Chang, Chuanjun Wang, Baoli Lun, Jianguo Wang, Jilin Zhou, Hongyan Zhou, Tinggui Wang

Proceedings Volume 11209, 112092K (2019) https://doi.org/10.1117/12.2548400

KEYWORDS: Exoplanets, Channel projecting optics, Phase shifts, Calibration, Tungsten, Optical testing, Telescopes, Charge-coupled devices, Observatories, Stars

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Proceedings Article | 10 July 2018 Presentation + Paper

Design of observational and control system of imaging system of a 1.2-meter-aperture telescope

Ming-hao Jia, Hong-fei Zhang, Ya-qi Chen, Jin-ting Chen, Guang-yu Zhang, Jie Chen, Feng-xin Jiang, Yi-ling Xu, Yi Feng, Zhen-feng Sheng, Chen-wei Yang, Liang Chang, Jian Wang

Proceedings Volume 10704, 107040X (2018) https://doi.org/10.1117/12.2309917

KEYWORDS: Telescopes, Imaging systems, Control systems, Control systems design, Astronomy, Web services, Optical filters, Interfaces, Optical instrument design, Charge-coupled devices

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Proceedings Article | 6 July 2018 Paper

Electronic control design of a two-channel imaging system of a 1.2-meter-aperture telescope

Jin-ting Chen, Hong-fei Zhang, Ming-hao Jia, Ya-qi Chen, Yi-ling Xu, Guang-yu Zhang, Yi Feng, Zhen-feng Sheng, Chen-wei Yang, Liang Xu, Yong-chao Ding, Liang Chang, Jian Wang

Proceedings Volume 10700, 107003B (2018) https://doi.org/10.1117/12.2312381

KEYWORDS: Imaging systems, Telescopes, Control systems, Optical instrument design, Astronomical imaging, Optical design, Charge-coupled devices, Astronomical telescopes, CCD cameras, Astronomy

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Proceedings Article | 6 July 2018 Paper

A guiding system of astronomical imaging system for a 1.2-meter-aperture telescope

Ya-qi Chen, Hong-fei Zhang, Ming-hao Jia, Jin-ting Chen, Guang-yu Zhang, Yi-ling Xu, Yi Feng, Zhen-feng Sheng, Chen-wei Yang, Liang Chang, Jian Wang

Proceedings Volume 10707, 107071W (2018) https://doi.org/10.1117/12.2311426

KEYWORDS: Telescopes, Stars, Charge-coupled devices, Imaging systems, Control systems, Image processing, Astronomy, Astronomical imaging, Astronomical telescopes, CCD cameras

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Proceedings Article | 15 July 2010 Paper

Design, performance, and early results from extremely high Doppler precision instruments in a global network

Jian Ge, Bo Zhao, John Groot, Liang Chang, Frank Varosi, Xiaoke Wan, Scott Powell, Peng Jiang, Kevin Hanna, Ji Wang, Rohan Pais, Jian Liu, Liming Dou, Sidney Schofield, Shaun McDowell, Erin Costello, Adriana Delgado-Navarro, Scott Fleming, Brian Lee, Sandeep Bollampally, Troy Bosman, Hali Jakeman, Adam Fletcher, Gabriel Marquez

Proceedings Volume 7735, 77350H (2010) https://doi.org/10.1117/12.857366

KEYWORDS: Planets, Telescopes, Doppler effect, Stars, Calibration, Spectrographs, Sensors, Spectral resolution, Interferometers, Iodine

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Proceedings Article | 20 August 2009 Paper

Optical design of a double pass cross-dispersed echelle spectrograph for extremely high precision extrasolar planet trackers

Bo Zhao, Jian Ge, John Groot, Liang Chang

Proceedings Volume 7440, 74401F (2009) https://doi.org/10.1117/12.825691

KEYWORDS: Spectrographs, Lenses, Charge-coupled devices, Telescopes, Exoplanets, Prisms, Interferometers, Cameras, Optical design, Planets

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Proceedings Article | 20 August 2009 Paper

A new generation multi-object Doppler instrument for the SDSS-III Multi-object APO Radial Velocity Exoplanet Large-area Survey

Jian Ge, Brian Lee, Nathan De Lee, Xiaoke Wan, John Groot, Bo Zhao, Frank Varosi, Kevin Hanna, Suvrath Mahadevan, Fred Hearty, Liang Chang, Jian Liu, Julian van Eyken, Ji Wang, Rohan Pais, Zhiping Chen, Alaina Shelden, Erin Costello

Proceedings Volume 7440, 74400L (2009) https://doi.org/10.1117/12.826651

KEYWORDS: Stars, Exoplanets, Planets, Interferometers, Doppler effect, Calibration, Spectrographs, Telescopes, Optical fibers, Germanium

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Showing 5 of 7 publications

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