Research Progress on Improving the Temperature Measurement Accuracy of Raman Distributed Fiber Sensing

Fiber sensing technology has emerged as one of the most remarkable and rapidly developing technologies globally. It constitutes one of the three pillars of the information industry, alongside communication technology and computer technology, symbolizing the forefront of contemporary science and technology. Raman distributed fiber temperature sensing technology, renowned for its resistance to electromagnetic interference, electrical insulation, intrinsic safety, high sensitivity, and compact size, finds extensive use in monitoring the health and safety of national large-scale infrastructure. Moreover, it holds significant application value across various critical domains, including deep sea and deep the basic working principle of Raman distributed fiber temperature sensing technology. Addressing current scientific challenges and technical barriers in Raman distributed fiber sensing technology, this review summarizes research emphasizes the research progress of our group and discusses developmental trends in the field.