Protection Methods for Improved Durability of Fiber Optic Sensors
Accidental damage to ODiSI fiber optic strain sensors can occur in a variety of ways. As an example, in the instrumentation of large test articles, such as an aircraft wing, it is easy to overlook the low sensor profile. It then becomes possible for the sensor to be unintentionally stepped on or for tools to be dropped on it, resulting in a broken sensor. In other instances, test articles are instrumented in the instrumentation lab before being transported to the test location, resulting in possible rough handling in transit.
In these instances, users will want to apply additional protection to the fiber sensors. This Technical Note demonstrates the protective options available to preserve the integrity of both the bonded fiber sensor sections as well as the sensor lead and connector.
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