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Ultraviolet and visible scattered light effects on the optical performance of the Large Space Telescope (LST)

机译:紫外和可见光散射光对大空间望远镜(LsT)光学性能的影响

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A study was made of the effects on image quality of scattering due to irregularities in the optical surfaces of the Large Space Telescope (LST). The goal is to build a complete model for the point spread function (PSF) of an astronomical telescope, one which is complete enough to show the manner in which figure error, ripple, and surface microstructure in the optical surfaces degrade image quality. The underlying purposes are to develop tools for use in analyzing how well the surfaces of the primary and secondary mirrors of the LST should be finished to assure adequate performance in the visible and ultraviolet wavelength ranges, and to evaluate the relative importance of figure error, ripple, and surface microstructure in degrading image quality.

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