Presents initial design and prototypes of robotic optical-relay positioners for MOSAIC on ELT using relay mirrors, telecentricity adaptation to a 37.868 m distant pupil, and per-positioner ADCs.
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A focal plate prototype for Stage-5 telescope instruments shows that 5-axes machining can achieve the required tilt and focus tolerances.
Thermal qualification tests on 6.2-mm-pitch fiber positioners confirm stable repeatability, backlash, and linearity across -20°C to 30°C with no degradation.
citing papers explorer
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MOSAIC at ELT: Design and First Performance Results of Novel Robotic Optical-Relay Positioners
Presents initial design and prototypes of robotic optical-relay positioners for MOSAIC on ELT using relay mirrors, telecentricity adaptation to a 37.868 m distant pupil, and per-positioner ADCs.
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Focal Plate Prototyping for Modular Focal Planes of Stage-5 Instruments For Ground-Based Telescopes
A focal plate prototype for Stage-5 telescope instruments shows that 5-axes machining can achieve the required tilt and focus tolerances.
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Thermal Characterization of a 6-Positioner, 6.2-mm-Pitch Module for Stage-5 Telescopes
Thermal qualification tests on 6.2-mm-pitch fiber positioners confirm stable repeatability, backlash, and linearity across -20°C to 30°C with no degradation.