IDENTIFICATION OF CLADDING MODES IN SMF-28 FIBERS WITH TFBG STRUCTURES

Kisała P. Kalizhanova A. Kozbakova A. Yeraliyeva B.
2023 Polska Akademia Nauk

Metrology and Measurement Systems
2023 #30 Issue 3 507 - 518 pp.

This article proposes an unequivocal method of labeling and numbering the cladding modes propagating in single-mode optical waveguides with tilted periodic structures. The unambiguous determination of individual propagating modes in this type of optical fiber is crucial for their use in sensory systems. The selection of the appropriate spectral range and mode determines the sensitivity and measuring range of tilted fiber Bragg grating (TFBG) sensors. The measurement methods proposed by individual research teams using TFBGs as transducers are usually based on the selection of specific modes. Unification of the labeling of modes and their numbering enables comparison of the basic metrological parameters of individual measurement methods and reproduction and verification of the proposed sensors and methods in the laboratories of other scientific and research centers.

optical fiber sensors , optical measurements , tilted fiber Bragg gratings

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Lublin University of Technology, Nadbystrzycka 38A, Lublin, 20-618, Poland
Institute of Information and Computational Technologies CS MES RK, 125 Pushkin str, Almaty, 050010, Kazakhstan
Almaty University of Power Engineering and Telecommunications named after Gumarbek Daukeyev, Almaty, Shevshenko 28, Almaty, 050010, Kazakhstan
Taraz State University after M.Kh. Dulaty, Tole Bi St 40, Taraz, Kazakhstan

Lublin University of Technology
Institute of Information and Computational Technologies CS MES RK
Almaty University of Power Engineering and Telecommunications named after Gumarbek Daukeyev
Taraz State University after M.Kh. Dulaty

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