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Fig. 7.


3D view of the CONCERTO optics, evidencing the M3 mirror interfaced to the APEX sub-reflector (M2). M4 is attached to the ceiling of the C-cabin and represents the only reflective optics component, with M3 and the MpI rooftop moving mirror, outside of the optics box. A large number of mirrors (M5 to M11), the two polarisers P1 and P2, and the cold reference optics complete the optical chain.

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