31 March 1982 Design And Tolerance Analysis Of Two Null Corrector Designs For The Space Telescope Fine Guidance Aspheric Collimating Mirror
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Abstract
The Space Telescope is a 2.4-meter aperture telescope coupled to five on-board astronomical scientific packages. The accurate line-of-sight stability required is provided by the Pointing Control System, whose optical system is the Fine Guidance Subsystem (FGS). The collimating mirror within the FGS optical system is aspherized in order to correct the pupil aberration. A null corrector is required in order to test the collimating mirror in autocollimation. Two alternate null corrector designs and their tolerance analyses are described and a preferred design is selected for fabrication.
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Irwin Friedman, Irwin Friedman, Raul E. Casas, Raul E. Casas, } "Design And Tolerance Analysis Of Two Null Corrector Designs For The Space Telescope Fine Guidance Aspheric Collimating Mirror", Proc. SPIE 0306, Contemporary Methods of Optical Fabrication, (31 March 1982); doi: 10.1117/12.932747; https://doi.org/10.1117/12.932747
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