... :1.high purity,2.low coefficient of thermal expansion,3.temperature resistance,4.corrosion resistance,5.extensive optical transmission ... for applications in the wavelength range of 220-2500nm. 3. JGS3 (Infrared quartz glass)It has a good performance ... variety of optical silica sheet can achieve the highest category ZS-1ZS-2HSSpectral characteristics180-2500nm200-2500nm260-3500nm The average ...