Active lateral support system for a thin 1-meter meniscus mirror with virtual fixed points
Christian Schwaer,
Andreas Sinn,
Lukas Schroeer
et al.
Abstract:.This publication presents an active lateral support system for the thin 1-m meniscus mirror of a Ritchey-Chrétien telescope system. The goal is to keep the mirror at its position under varying external influences, such as gravity and temperature, therefore maintaining the alignment and optical image quality. To achieve this, the lateral support consists of eight actuators, based on stepper motors with gearboxes, with local force measurement and three laser triangulation sensors to measure the mirror’s lateral… Show more
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