Wide-dynamic-range device for measuring extinction ratio of star sensor light hood
A large dynamic range, star sensor technology, applied in the direction of measuring devices, instruments, testing optical properties, etc., can solve the problems of low measurement accuracy and slow measurement speed, and achieve the effect of simple experimental operation, convenient operation and large dynamic range
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[0020] Specific implementation mode 1: Combination figure 1 To explain this embodiment, the large dynamic range star sensor hood extinction ratio measurement device in this embodiment includes a radiation emission and shaping subsystem, a mechanical motion and control subsystem, an ambient stray light absorption and suppression subsystem, and radiation data collection And processing subsystem;
[0021] Radiation emission and shaping subsystem, mechanical motion and control subsystem, and radiation data acquisition and processing subsystem are all located inside the ambient stray light absorption and suppression subsystem;
[0022] The radiation data acquisition and processing subsystem includes an integrating sphere 4 and a computer 5. The integrating sphere 4 is used to measure the energy at the entrance and exit of the hood, and send the measurement results to the computer 5;
[0023] The radiation emission and shaping subsystem includes a high-power wide-spectrum light source 1, ...
Example Embodiment
[0034] Embodiment 2: This embodiment further defines the extinction ratio measuring device of the large dynamic range star sensor hood described in Embodiment 1. In this embodiment, the inner wall of the environmental stray light absorption and suppression subsystem It is covered with a high-absorption rate material coating, and the inner wall is provided with an absorption trap.
[0035] High-absorption material coating and absorption trap can better absorb background stray light.
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