Structural health monitoring (SHM) and condition monitoring are crucial processes that ensure reliability and safety of ...

Check a whole bridge, plane for damage without touching it. A camera method turns video into virtual sensors, making ...

Figure 1a shows a slotted optical switch. An LED is mounted in a plastic housing, facing a phototransistor, but separated by a gap. If something moves into the gap, it blocks the light path between ...

Researchers have developed a tiny fiber optic force sensor that can measure extremely slight forces exerted by small objects. The new light-based sensor overcomes the limitations of force sensors ...