X.-X. Zhao’s scientific contributions

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Publications (1)


Foveated imaging system design based on space-earth flat
  • Article

November 2009

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8 Reads

ACTA PHOTONICA SINICA

X.-X. Zhao

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Y.-J. Xie

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W. Zhao

Using foveated imaging concept in space optics, a foveated imaging system based on space-earth flat is designed. The off-axis optical system with three mirrors is used in visible light, and an stable focus optical system with wide caliber (F/#:10) and wide field-of-view (25°) is realized. The OKO Technologies 19-channel piezoelectric deformable mirror is adopted to correct all the geometrical aberrations at a given field angle. After the correction, the performance of the system is closed to the diffraction limit level at all field-of-view.