| 摘要 |
A window for installation in a sandwich composite beam shown in FIG. 2 B that contains window body ( 18 ), tabs ( 22 ), and a means of attaching the tabs to the composite sandwich beam. The means of attaching tabs ( 22 ) could be an interlocking mechanism such as dowel interlock feature ( 48 ) in <FIGREF IDREF="DRAWINGS">FIG. 3A</FIGREF>. The window body ( 18 ) protects the composite beam core from moisture. Structural webbing ( 24 ) allows the strength and flexibility of the window to be adjusted to match the beam it is being installed in. The structural window also provides a platform for an imaging system shown in FIG. 6 including illumination source ( 36 ), collimating lens ( 34 ), and imaging lens ( 38 ).
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