Abstract
JSC LZOS successfully applies Computer Generated Holograms (CGH) for testing of on- and off-axis surfaces of large-dimensioned optical components for their alignment with respect to interferometer, for defining of aspherical surface optical vertex position with respect to the geometrical center and for optical systems alignment. All this allows producing of large-dimensioned aspherical on- and off-axis astronomical and space mirrors with high accuracy.
Highlights
JSC LZOS has been using Computer Generated Holograms (CGH) [1,2,3] for testing of surfaces of largedimensioned optical components for astronomical and space application for many years. They are applied in the process of testing of aspherical surface figure, testing of off-axis aspherical surfaces with fixing of off-axis parameters and mirror orientation, testing of aspherical surface vertex position with respect to the mirror geometrical center, mutual alignment of mirrors in test scheme, etc
CGHs have become an integral part of up-to-date testing of aspherical surfaces of largedimensioned optical mirrors and optical systems
Mutual alignment of off-axis elements by means of hexapod and CGH located in the mirrors testing point is performed
Summary
JSC LZOS has been using Computer Generated Holograms (CGH) [1,2,3] for testing of surfaces of largedimensioned optical components for astronomical and space application for many years. They are applied in the process of testing of aspherical surface figure, testing of off-axis aspherical surfaces with fixing of off-axis parameters and mirror orientation, testing of aspherical surface vertex position with respect to the mirror geometrical center, mutual alignment of mirrors in test scheme, etc. CGHs have become an integral part of up-to-date testing of aspherical surfaces of largedimensioned optical mirrors and optical systems.
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