Optical system of large-view-field high-resolution earth observation ultraviolet imaging spectrometer
An earth observation, high-resolution technology, applied in the field of optical measurement, can solve problems beyond the bearing range of satellite resources, and achieve the effect of high radiation energy utilization efficiency, small inherent aberration, and guaranteed accuracy
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[0032] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0033] Such as figure 1 , 2 , 3, an optical system of a large field of view high-resolution earth observation ultraviolet imaging spectrometer, including a front-end telescopic imaging system and an Offner-Littrow spectral imaging system; wherein the front-end telescopic imaging system includes: an entrance pupil assembly 1. Concave mirror 2, aperture assembly 3, turning mirror 4, depolarizer 5, primary mirror 6, secondary mirror 8. An aperture stop 7 is set between the primary mirror 6 and the secondary mirror 8, and a color separation film 9 is set at the rear end of the telephoto imaging system. The front-end telephoto imaging system is divided into two spectral channels through the color separation film 9 according to the detection spectrum (300-500) nm, namely the first channel (300-400) nm and the second channel (395-500) nm; Offner- L...
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Abstract
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