Spectral Calibration of the Atmosphere Ultraviolet Imaging Spectrograph Using a PtNe Lamp
LI Cong1，2，WANG Yong-mei1
1. Lab for Space Environment Exploration, Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100190, China 2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China
Abstract：The atmospheric ultraviolet imaging spectrograph (AUVIS) is an ultraviolet imaging spectrograph that uses a two-dimensional charge-coupled device detector to collect both the spectrum and the swath perpendicular to the flight direction. The design of the system components, the principle, and the main specifications of the AUVIS are introduced. The calibration theory was studied. Considering the characteristics of the AUVIS, a PtNe hollow cathode lamp was chosen as the calibration source, a calibration setup was established, and the AUVIS was calibrated. After the experimental data processing, a function of pixel number-wavelength was established. The uncertainty of the spectral calibration is 0.043 nm.
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