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High Resolution Imaging Camera (HiRIC) on China’s First Mars Exploration Tianwen-1 Mission

Abstract

The High-Resolution Imaging Camera (HiRIC) is one major payload of China’s first Mars exploration mission, and its main objective is to obtain the detailed observation images of the key areas on the Martian surface. In this paper, the leading group of HiRIC shows a full blueprint of the HiRIC. The HiRIC can achieve a high resolution (0.5 m at an altitude of 265 km) with a wide swath width of 9 km. The HiRIC adopts an Off-Axis Three-Mirror Astigmatic (TMA) optical system with a focal length of 4640 mm, an F-number of 12 and a Field of View (FOV) of 2° × 0.693°. In order to reduce the instrument weight, carbon-based material is widely used in the opto-mechanical structure which is in ultra-lightweight design, thus, a light-weight camera with a total mass of 42 kg is obtained. The Time Delay and Integration (TDI) Charge Coupled Devices (CCDs) and Complementary Metal-Oxide-Semiconductor Transistor (CMOS) detectors are all set on the imaging plane to achieve the push-broom imaging and frame imaging, respectively. And the high Signal-to-Noise Ratio (SNR) >100:1 can achieve in multi observation types for various scientific imaging tasks. After 4-year design and fabricate, the HiRIC has been assembly. The testing results show that the instrument is in good condition, and the Modulation Transfer Function (MTF) can achieve 0.18 at Nyquist frequency. The HiRIC can achieve a well image on China first Mars exploration mission.

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Funding

Supported by Beijing Municipal Science and Technology Commission (No. Z191100004319001); the National Natural Science Foundation of China (61705220, 11703027 and 42001345); the Youth Innovation Promotion Association, Chinese Academy of Sciences (2019219); the Specialized Research Fund for Shandong Provincial Key Laboratory; and the grant from Key Laboratory of Lunar and Deep Space Exploration, Chinese Academy of Sciences (LDSE201901).

Author information Authors and Affiliations
  1. Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, 130033, China

    Qingyu Meng, Dong Wang, Xiaodong Wang, Wei Li, Xianwei Yang, Dejie Yan, Yang Li, Zhirui Cao, Qi Ji, Tianyu Sun, Kejun Wang, Xiaobo Li, Jingtao Huang, Zheng Wang, Weiguo Zhao, Yan Wang, Yunfeng He, Xianpeng Hao, Wenguang Liu, Bowei Zhang, Pengji Zhou, Yunhui Li, Haibo Zhao, Lin Lu, Hainan Guan, Dali Zhou, Fanlu Wu, Fan Zhang & Jihong Dong

  2. Key Laboratory of Lunar and Deep Space Exploration, National Astronomical Observatories, Chinese Academy of Sciences, Beijing, 100101, China

    Wei Yan & Fanlu Wu

  3. Changchun UP Optotech (Holding) Co., Ltd., Changchun, 130033, China

    Shiyu Zhu

Authors
  1. Qingyu Meng
  2. Dong Wang
  3. Xiaodong Wang
  4. Wei Li
  5. Xianwei Yang
  6. Dejie Yan
  7. Yang Li
  8. Zhirui Cao
  9. Qi Ji
  10. Tianyu Sun
  11. Wei Yan
  12. Kejun Wang
  13. Xiaobo Li
  14. Jingtao Huang
  15. Zheng Wang
  16. Weiguo Zhao
  17. Yan Wang
  18. Yunfeng He
  19. Xianpeng Hao
  20. Wenguang Liu
  21. Bowei Zhang
  22. Pengji Zhou
  23. Yunhui Li
  24. Haibo Zhao
  25. Lin Lu
  26. Hainan Guan
  27. Dali Zhou
  28. Fanlu Wu
  29. Fan Zhang
  30. Shiyu Zhu
  31. Jihong Dong
Corresponding authors

Correspondence to Wei Yan or Jihong Dong.

Additional information Publisher’s Note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

The Huoxing-1 (HX-1) / Tianwen-1 (TW-1) mission to Mars

Edited by Chunlai Li and Jianjun Liu

About this article Cite this article

Meng, Q., Wang, D., Wang, X. et al. High Resolution Imaging Camera (HiRIC) on China’s First Mars Exploration Tianwen-1 Mission. Space Sci Rev 217, 42 (2021). https://doi.org/10.1007/s11214-021-00823-w

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