Structural Performance of Translucent Concrete Façade Panels

Table 2

Specification of the plastic optical fiber (POF).

Description	Property
Numerical aperture	0.5
Core material	Polymethyl methacrylate (PMMA)
Cladding material	Fluororesin
Outer diameter (Ø)	2 mm and 3 mm
Appearance/colour	Transparent, smooth
Refractive index profile	Step-index
Core refractive index (%)	1.49
Heat transfer	No
Conductivity	No
Outer jacket	No
Working temperature range	−40°C∼ + 70°C
Allowable bending radius	≥10Ø
Elongation rate	≥4