JGS1 Circular Window

General Purpose plane windows 　　Flat polished surface 　　Laser finish both sides 　　Apply any anti-reflecting coating 　　These general purpose plane windows are polished to λ/10 flatness except where indicated otherwise. They are intended for transmissive use and are parallel to better than 3 arcmin or 10 arcsec. Select a coating appropriate to your application or contact us with your special coating requirements. 　　Specifications 　　Surface Flatness: See table--measured@ 633nm