We strive to have excellent service regarding flatness, parallelism, tolerances, and surface finish for all our products.
Germanium (Ge) optical grade monocrystalline, N-type with (1:1:1) crystal orientation and resistivity of 5 to 40 ohm-cm.
Optoelectronic material for:
Products manufacturing:
Surface finish: to 10/5 (under 10 Angstroms)
Surface figure: to 1/8 wave
https://valleydesign.com/germanium-crystals/infrared/ Infrared IR optical materials – windows, substrates and wafers
https://valleydesign.com/germanium-crystals/zinc-selenide/.htm Zinc Selenide ZnSe blanks and optical windows
https://valleydesign.com/germanium-crystals/zinc-sulfide/ Zinc Sulfide ZnS regular grade windows, substrates and wafers
https://valleydesign.com/germanium-crystals/zns-multispectral/ Multispectral Zinc Sulfide, Cleartran TM
https://valleydesign.com/ultra-thin/sapphire-window/ Ultra-thin sapphire wafers, substrates and windows
https://valleydesign.com/silicon-wafers/optical/ Optical grade FZ silicon for IR optics – windows, wafers and substrates