Fiber laser-based two-wavelength sensors for detecting temperature and strain on concrete structures

Nurzhigit Smailov (), Torekhan Zhadiger (), Yerlan Tashtay (), Askar Abdykadyrov () and Aziskhan Amir ()

International Journal of Innovative Research and Scientific Studies, 2024, vol. 7, issue 4, 1693-1710

Abstract: In this article, we discuss the scientific research we conducted to ensure information security on concrete structures using the fiber Bragg grating method. As a result, guided by the experiences of other researchers and their results in our studies, the main hazards were identified, and the influence of temperature and deformation sensors in concrete was studied. The work determines the dependence of temperature on the optical cable and its effect on concrete deformation. It also studies the change in the internal structure of the optical fiber when exposed to concrete, and in comparison, with non-concrete optical fiber. In the experimental chapter, conducted on laboratory bench, we consider and study the signal transmission structure of an optical sensor that experiences deformation upon impact with concrete and such fibers. Graphic data was obtained using the OptiSystem program. During the process of determining the optical power of the sensors, we discovered that the higher the vibration during signal transmission, the higher the power of the optical data acquisition system unit. The results presented in this paper show the promise of fiber optics in other environments, as well as new discoveries in the construction industry and the successful use of electrical laser sensors to maintain temperature and stress in a variety of concrete structures, including cooling towers in nuclear and thermal power plants.

Keywords: Concrete; Fiber Bragg Grating; Laser; Optical fiber; OptiSystem; Temperature; Touch sensor. (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:aac:ijirss:v:7:y:2024:i:4:p:1693-1710:id:3481

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