Optical Performance
1. Broad spectral transmittance: the material covers the range from 180 nm to 8.0 um in the ultraviolet to infrared band.
2. Low refractive index: its refractive index is low (1.35-1.51)
3. High damage threshold Physical Performance
1. Low absorption rate
2. Moderate hardness: Knoop hardness is158.3, ensuring durability and stability in various environments.
3. Good thermal stability: suitable for low temperature cooling thermal imaging system.