Non-destructive technique for characterization fiber Bragg gratings via diffraction profile

Vladislav Reimer; Ahmad Abdalwareth; Günter Flachenecker; Ulrike Willer; Martin Angelmahr; Wolfgang Schade

doi:10.1117/12.3002504

11 March 2024 Non-destructive technique for characterization fiber Bragg gratings via diffraction profile

Vladislav Reimer, Ahmad Abdalwareth, Günter Flachenecker, Ulrike Willer, Martin Angelmahr, Wolfgang Schade

Proceedings Volume 12893, Photonic Instrumentation Engineering XI; 128930N (2024) https://doi.org/10.1117/12.3002504
Event: SPIE OPTO, 2024, San Francisco, California, United States

Abstract

This research introduces a new non-destructive technique for the characterization of fiber Bragg gratings (FBGs) based on the analysis of the FBG diffraction profile via measuring its asymmetry and intensity. This approach enables the determination of such FBG parameters as an off-axis displacement, aberrations of the focusing system, outcoupling efficiency of refractive index modulation, grating length, and grating order. This proposed technique can significantly improve quality control in FBG manufacturing. The applicability of this technique is demonstrated on different types of fiber Bragg gratings written by point-by-point femtosecond laser writing.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Vladislav Reimer, Ahmad Abdalwareth, Günter Flachenecker, Ulrike Willer, Martin Angelmahr, and Wolfgang Schade "Non-destructive technique for characterization fiber Bragg gratings via diffraction profile", Proc. SPIE 12893, Photonic Instrumentation Engineering XI, 128930N (11 March 2024); https://doi.org/10.1117/12.3002504

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