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Carbon fiber backplate during assembly. The bottom plate and CFRP beams are visible in this image. The CFRP bottom plate is an hexagon (0.6-m between opposite sides). |
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Carbon fiber backplate during assembly. Weights are used to press the 3 layers (bottom plate, beam, top plate) during epoxy curing. |
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Carbon fiber backplate during epoxy curing. Side view. Large glass disks are used to ensure flatness and even load distribution. |
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Replication: initial result, after removal of the mirror. The cured epoxy is smooth, and matches very well the shape of the glass mirror's bottom surface. |
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Replication: initial result. The quasi-parabolic shape of the replicated surface is visible here. |