Abstract:
Instead of using separate produced sensors, distributed sensing makes use of optical fiber.
Optical fibers have special qualities that allow them to function as sensors by simultaneously
sensing and sending data through the same waveguide. Due to its many benefits over
conventional electronic sensors, distributed sensing based on optical fiber has found a wide range
of applications. However, the sensitivity and accuracy of distributed sensing can be affected by
the polarization state of light. Therefore, while developing and utilizing these systems, it is
crucial to properly take into account the polarization properties of the optical fiber and any
polarization-sensitive components. Despite the possible minor destructive properties of
polarization, polarization can help reduce interference, increase system reliability, and give
useful information about the environment being studied. It is crucial to think about how
polarization affects distributed sensing as technology develops and to keep looking for methods
to maximize its advantages while reducing its downsides. This paper aims to explore the
potential benefits and drawbacks of using polarized light as a means of sensing required
parameters such as strain, temperature, and perturbation. Firstly, a literature review is conducted
on the effect of polarizing light on the performance of distributed fiber sensing. Secondly,
reviewed best practices based on previously researched sensing different parameters by utilizing
the phenomenon. Thirdly, conducted experimental research on the effects of applied strain and
temperature changes and perturbed polarization with the help of Luna OBR 4600 and 13m of
single-mode (SM) optical fiber. Finally, concluded the efficiency of the proposed method for
sensing the required parameters. The results of the experimental research have shown that the
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s-polarization was strongly affected by the higher temperatures observed, while the p-polarized
was less affected. In contrast, p-polarization is much more sensitive to any kind of perturbation.
Overall, these findings highlight the potential for the use of distributed fiber sensor technology to
be a valuable tool in the field of security and surveillance. The results demonstrate the potential
of polarization-based distributed sensing as a useful tool for security and surveillance.