Fig. 1. Schematic diagram of the pulse reference-based compensation technique.

Fig. 2. Schematic diagram of the temperature OFS based on the fiber coating-covered optical microfiber with the pulse reference-based compensation technique.

Fig. 3. (a) The microscope photograph of the drawn optical microfiber. (b) The photograph of the optical microfiber covered by fiber coating

Fig. 4. δRL versus temperature.

Fig. 5. Fluctuation of δRL in 5 min at 25℃.

Fig. 6. Output drift of δRL in 2 h at room temperature, about 25℃.

Fig. 7. (Color online) Fluctuation of δRL output in different attenuations.