Home | Germanium Optics | Germanium Windows | Round Germanium Windows Printable version Round Germanium Windows Germanium (Ge) is an optic that is mainly used in Fiber Optic and Infrared applications (it is transparent in the IR range). Ge is often used for thermal imaging cameras working in the 8 to 14 micron wavelength, other common optical uses are for wide-angle camera lenses and microscopy. Ge has a high index of refraction and low optical dispersion. Please review our Ge properties page and advise if you would need info on our available AR coatings. Tolerances: +/- 0.1mm Polish: 80/50 or Better Edges Ground Finish Orientation: Random; <111> Available Products Part # Description Diameter Thickness 8W10X1MMGE 10.0mm Germanium Round Window 10.0mm 1.0mm 8W12X3MMGE 12.0mm Germanium Round Window 12.0mm 3.0mm 8W12X5MMGE 12.0mm Germanium Round Window 12.0mm 5.0mm 8W13X1.5MMGE 13.0mm Germanium Round Window 13.0mm 1.5mm 8W13X1MMGE 13.0mm Germanium Round Window 13.0mm 1.0mm 8W13X2MMGE 13.0mm Germanium Round Window 13.0mm 2.0mm 8W15X1MMGE 15.0mm Germanium Round Window 15.0mm 1.0mm 8W15X2MMGE 15.0mm Germanium Round Window 15.0mm 2.0mm 8W16X1MMGE 16.0mm Germanium Round Window 16.0mm 1.0mm 8W20X1MMGE 20.0mm Germanium Round Window 20.0mm 1.0mm 8W20X2MMGE 20.0mm Germanium Round Window 20.0mm 2.0mm 8W20X3MMGE 20.0mm Germanium Round Window 20.0mm 3.0mm 8W25X1MMGE 25.0mm Germanium Round Window 25.0mm 1.0mm 8W25X2MMGE 25.0mm Germanium Round Window 25.0mm 2.0mm 8W25X4MMGE 25.0mm Germanium Round Window 25.0mm 4.0mm 8W25.4X2MMGE 25.4mm Germanium Round Window 25.4mm 2.0mm 8W25.4X4MMGE 25.4mm Germanium Round Window 25.4mm 4.0mm 8W27X1MMGE 27.0mm Germanium Round Window 27.0mm 1.0mm 8W27.4X1MMGE 27.4mm Germanium Round Window 27.4mm 1.0mm 8W30X1MMGE 30.0mm Germanium Round Window 30.0mm 1.0mm 8W30X2MMGE 30.0mm Germanium Round Window 30.0mm 2.0mm 8W30X3MMGE 30.0mm Germanium Round Window 30.0mm 3.0mm 8W32X3MMGE 32.0mm Germanium Round Window 32.0mm 3.0mm 8W35X2MMGE 35.0mm Germanium Round Window 35.0mm 2.0mm 8W36X1MMGE 36.0mm Germanium Round Window 36.0mm 1.0mm 8W40X1MMGE 40.0mm Germanium Round Window 40.0mm 1.0mm 8W40X2MMGE 40.0mm Germanium Round Window 40.0mm 2.0mm 8W40X3MMGE 40.0mm Germanium Round Window 40.0mm 3.0mm 8W50X3MMGE 50.0mm Germanium Round Window 50.0mm 3.0mm 8W7.62X0.5MMGE 7.62mm Germanium Round Window 7.62mm 0.5mm Products Custom Ceramic Parts Chloride Optics Fluoride Optics Fused Silica (Quartz) Optics Germanium Optics KRS-5 Optics Ruby Laser Rods Sapphire Optics Silicon Optics Custom Tungsten Carbide Parts V and Cup Jewel Housings Zinc Selenide Optics Zinc Sulfide/Cleartran Optics Balls and Hemispheres Material Data Sapphire Ruby Germanium Silicon Magnesium Fluoride (MgF2) Barium Fluoride (BaF2) Zinc Selenide (ZnSe) Gallium Arsenide (GaAs) Zinc Sulfide (ZnS) Calcium Fluoride (CaF2) Alumina Ceramic (Al995) Black Glass 2.60 Black Glass 3.17 Borosilicate Glass Crystal Glass Fused Silica (Quartz) Zirconia Spinel Silicon Nitride Home About Us Contact Us Search: Advanced search 11443 Challenger Ave., Odessa, FL 33556 PO Box 610 - New Port Richey, FL 34656-0610 Phone:888-361-5707, 727-849-0638 Fax: 888-965-9446 email: sales@generalruby.com Copyright © 2005-2021 General Ruby and Sapphire