Elliptical windows used for mimimum the wave distortion with a large range of the angle of incidence. Ideally as 45degree elliptical windows can be used in optical system or at Brewster's angle. PHYO can finished the part on both sides by laser grade, and apply coating as requested. Normally as High Reflective Coating Mirrors. You can contact by info@phyoptics.com for more information about Brewster windows or the coating specification need to be applied. Or find more information on the website as Brewster windows.
Optical Windows
