Broadband high spectral resolution imaging system for foundation-to-moon observation
An imaging system and wide-band technology, which is applied in the field of imaging spectroscopy and radiation calibration, can solve the problems of discontinuous observation spectrum, low spectral resolution, and small number of spectral segments, so as to improve detection sensitivity, signal-to-noise ratio, hyperspectral The effect of resolution and bandwidth
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[0037] The present invention will be further described in detail below in conjunction with the drawings.
[0038] Such as figure 1 As shown, the broadband and high spectral resolution imaging system for ground-based observation of the moon of the present invention mainly includes a coaxial dual-mirror telescope, a visible and near infrared (VNIR) spectral imaging system and an infrared (IR) spectral imaging system.
[0039] The said coaxial two-mirror telescope consists of a primary mirror 1 and a secondary mirror 2. Quadric coefficient K of primary mirror 1 1 Meet: -1≤K 1 ≤-1.5, K 1 The best is -1.05; the quadric coefficient K of secondary mirror 2 2 Meet: -1.5≤K 2 ≤-5, K 2 The best is -3.61; the blocking ratio of the secondary mirror 2 to the primary mirror 1 is less than 30%.
[0040] The zoom ratio β of the visible and near infrared spectrum imaging system 1 Satisfy: 0.98≤β 1 ≤1.02. The visible-near infrared spectrum imaging system consists of an incident slit 3, a wedge-shaped ...
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