Fig. 1. Design of FBG strain and temperature sensor with aluminium alloy package

Fig. 2. Schematic diagram of FBG sensing principle

Fig. 3. Schematic diagram of wavelength demodulation

Fig. 4. Diagram of acceleration test equipment for FBG sensors based on centrifuge

Fig. 5. Wavelength and light intensity results of FBG sensors (front-direction test)

Fig. 6. Wavelength and light intensity results of FBG sensors (rear-direction test)

Fig. 7. Wavelength and light intensity results of FBG sensors (up-direction test)

Fig. 8. Wavelength and light intensity results of FBG sensors (down-direction test)

Fig. 9. Wavelength and light intensity results of FBG sensors (left-direction test)

Fig. 10. Wavelength and light intensity results of FBG sensors (right-direction test)