Fig. 1. Model of equal-strength cantilever

Fig. 2. Layout of FBGs under two packaging ways

Fig. 3. Experimental photo of tensile test

Fig. 4. Time-history diagram of output wavelength shift of FBG

Fig. 5. Experimental data of three loop tensile tests

Fig. 6. Linear fitting of average data of three loop tensile tests

Fig. 7. Test results of creep performance

Fig. 8. Setups of temperature-compensation test

Fig. 9. Time-history curves of wavelength shift in temperature-compensation tests

Fig. 10. Fitting curves of temperature response

Fig. 11. Time-history curves in temperature-increasing tests

Fig. 12. Wavelength shift differences of FBG under different temperature-compensation methods