An optical measurement system is disclosed for evaluating samples with multi-layer thin film stacks. In one embodiment, a memory device is provided comprising a memory operative to store content and a controller in communication with the memory. The container apparatus also includes a holding portion that engages with the radiographic imaging apparatus contained in the container portion in order to hold the radiographic imaging apparatus in the container portion. When the housing is heated, the heat is transferred to the intumescent material which expands. A platform is secured to the frame and extends outwardly from one of the proximal and distal ends of the frame for supporting an operator.