Abstract
This paper presents a method for sensing welding fumes in real time. This method is based on the results of nanoparticle-induced optical-fiber loss experiments that show that the losses are determined by the nanoparticle density and the taper waist. The tapered fiber is obtained by applying heat radiated from hot quartz, and monitoring is done in real time. First, the durability of the tapered fiber during the welding process is proven. Then, the loss is categorized by using the sizes of welding fume particles. The sensitivity to welding fumes increases with increasing size of the particles; consequently, the dimension of the taper waist decreases.
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Yi, JH. Welding-fume-induced transmission loss in tapered optical fibers. Journal of the Korean Physical Society 67, 832–836 (2015). https://doi.org/10.3938/jkps.67.832
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DOI: https://doi.org/10.3938/jkps.67.832