Investigation of densification-induced residual stresses in Bragg gratings using FEA

S. Chen

doi:10.1117/12.2302049

1 September 1999 Investigation of densification-induced residual stresses in Bragg gratings using FEA

S. Chen

Proceedings Volume 3746, 13th International Conference on Optical Fiber Sensors; 37461N (1999) https://doi.org/10.1117/12.2302049
Event: 13th International Conference on Optical Fiber Sensors, 1999, Kyongju, Korea, Republic of

Abstract

The residual stresses caused by photo-induced densification inside an optical fiber Bragg grating are evaluated using Finite Element Analysis (FEA). Experimental data obtained on preforms and reported in open literature are used in the computer model to calculate the residual stress levels and their spatial distribution. The results provide some insights into the cause of the strength degradation occurring during Bragg grating fabrication process.

Citation Download Citation

S. Chen "Investigation of densification-induced residual stresses in Bragg gratings using FEA", Proc. SPIE 3746, 13th International Conference on Optical Fiber Sensors, 37461N (1 September 1999); https://doi.org/10.1117/12.2302049

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