Abstract

The error for the relative alignment of aspherical mirrors was analyzed using coordinate measuring machines for assembling Ritchey–Chrétien two-mirror objectives. It is shown that, in addition to the measurement error of linear and angular decentering of mirrors, the error in determining the position of the secondary and primary mirrors in the housing of the objective has a significant impact on the build quality. Requirements for lens design are formulated to ensure the required accuracy of assembly.

© 2019 Optical Society of America

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