Abstract

CAS500-1, which is Compact Advanced Satellite 500-1, was launched in Mar. 2021, and it is the first Korean ground observation satellite localizing the entire mirror development, especially the primary mirror M1. The diameter of M1 is 600 mm, and it has 3 square bosses at the rim for flexure mounting. We present the whole development procedure of the flight model M1, including the optomechanical design, fabrication, environmental tests, and a coordinate mapping method for alignment and integration.

© 2023 The Author(s)