  The Random Coupling Model (RCM), introduced by Zheng, Antonsen and Ott,
predicts the statistical properties of waves inside a ray-chaotic enclosure in
the semi-classical regime by using Random Matrix Theory, combined with
system-specific information. Experiments on single cavities are in general
agreement with the predictions of the RCM. It is now desired to test the RCM on
more complex structures, such as a cascade or network of coupled cavities, that
represent realistic situations, but which are difficult to test due to the
large size of the structures of interest. This paper presents a novel
experimental setup that replaces a cubic-meter-scale microwave cavity with a
miniaturized cavity, scaled down by a factor of 20 in each dimension, operated
at a frequency scaled up by a factor of 20 and having wall conductivity
appropriately scaled up by a factor of 20. We demonstrate experimentally that
the miniaturized cavity maintains the statistical wave properties of the larger
cavity. This scaled setup opens the opportunity to study wave properties in
large structures such as the floor of an office building, a ship, or an
aircraft, in a controlled laboratory setting.
