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Sensing characteristics of standard polymer
optical fibers (POF) are further studied using the optical time
domain reflectometry (OTDR) technique. The level of the
backscattering inside POF, which highly increases at locations
where strain is applied to the fiber, is further investigated with
respect to spectral behavior, strain rate and span of time from
the stretching event. An algorithem to overcome the problem of
the decrease of spatial resolution as a result of pulse
broadening due to modal disperion, is proposed. The research
is carried out on the background of the development of a new
strain sensor that is integrated in technical textiles.