Optical metrology of solar reflector panels with a high density Hartmann sensor

Authors : Eduardo Bendek

There is a need to test replicated glass reflector panels molded at the Mirror Lab for a solar concentrator. The goal is to map the residual errors of the surface so the mold surface can be improved. A new metrology process has been developed since normal methods are too sensitive or cannot resolve the small scale ripples formed in the molding process.

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