Sapphire is a high-strength, corrosion-resistant, chemical- and scratch-resistant material with a melting point of 2072°C. The company can provide sapphire single crystal optical fibers prepared by LHPG method, with diameters ranging from 25 to 1000 microns, and length upto 25m,which can meet the application requirements in the fields of energy transmission, spectroscopy and sensing.