This figure presents the results of distributed strain sensing over an approximately 100-m-long optical fiber utilizing BOCDR with periodic pseudo-random modulation. The top diagram illustrates the ...

The real-time monitoring of facilities, particularly large facilities (such as rail transit systems, large bridges, and buildings), can provide information regarding their surrounding environment and ...

Pipeline contents are typically valuable, volatile, and harmful to the environment if allowed to escape. With them being susceptible to aging, accidental damage, or tampering, the chances of an escape ...

A project at Caltech has developed a fiber optic-based method to measure soil moisture in the shallow subterranean region between the surface and underground aquifers. Reported in Nature ...