It is called optical fiber for short. A fiber medium that transmits light in a waveguide manner. optical waveguide fiber is a transparent glass fiber (mainly composed of silica)
No classification at present.
glass(玻璃)
materials(材料)
single crystal(单晶)
corrosion(腐蚀)
optical fiber(光纤)
quartz(石英)
quartz glass(石英玻璃)