Quartz (SiO2)

Cultured Quartz is a crystal used primarily for prisms, but also for windows and lenses in the ultraviolet. Its useful transmission range is 0.18 to 2.5µm. Cultured Quartz exhibits modest bi-refringence. Its refractive index varies from about 1.65 to 1.55 through the transmission range. Orientation of the optical axis along the crystal c-axis produces higher VUV transmission.

 

Property Specification
Transmission Range 0.18µm to 2.5µm
Density 2.203 g/cm3
Surface Finish Generally 60-40, 40-20, or 20-10 scratch-dig, depending upon application.
Surface Figure Generally λ/10 @ 0.6328µm, λ/4 @ 0.6328µm, λ/2 @ 0.6328µm, or 1 wave @ 0.6328µm, depending upon application.
AR Coating Options AR @ 0.8 – 2.5µm, AR @ visible
Products Manufactured Windows, Lenses, Wedges, Prism.