Table 1.

Parameters in the numerical simulation.

Parameters	Values
Conductivity of Fiber Core Kf, W/(m·°C)	1.4 (SiO2)
Conductivity of coating layer Kc, W/(m·°C)	2 (Polyimide)
Convection coefficient of Coating h, W/(m2·°C)	1 (laboratory condition)
Radii of coating rp (μm)	125
Surrounding Temperature ${\mathrm{T}}_{\infty }$, °C	23
Temperature on hot surface ${\mathrm{T}}_0$, °C	90
Radii of optical fiber rf, μm	62.5