Silicon wafer, wedge-angle prism, oblique prism, right-angle prism, dual-wavelength wave plate, achromatic wave plate...

Pentagonal prism, oblique prism, triangle prism, Paul prism, roof prism, calcium fluoride window, fused quartz window...

Lithium niobate was prepared by Czochralski method using lithium carbonate and niobium pentoxide as raw materials.

Optical coating refers to the process of coating a layer (or layers) of metal (or dielectric) film on the surface of optical parts.