DTS (Distributed Temperature Sensing Systems) are
unique systems able to measure temperature profile and
mechanical tension profile along the optical fiber. Optical
fiber, which is commonly used as data transmission
medium, serves as a distributed sensor for sensing nonelectrical
quantities. Optical fiber, in the meaning of DTS
systems, could be understood as a lot of thousands of
sensors placed in a series, taking advantage of all prosperous
properties of optical fibers, which are, for
example: