1. Extremely broad transmission spectrum
2. The refractive index of diamond is ~2.4. achieve broad and high transmission in the mid-infrared at wavelengths from 1 micron to 30 microns.
3. The surface roughness< 10 nm, for good transmission from 1μm wavelength,
4. The error is not exceed 0.2mm
5. Diamond’s exceptional properties provide benefits in a variety