Optical Windows

Description

Foctek offers high quality and high precision windows like BK7 window , Fused Silica window, Sapphire window, CaF2 window, Silicon window, Borofloat window , Borosilicate (Pyrex) window and so on. Materials: BK7, Fused Silica, Sapphire, CaF2, Silicon, Borofloat, Pyrex or other optical glass supplied by Schott and Chinese CDGM. Sizes: Windows at any size is available upon request. Shape: Windows at shape of round, quadrate, triangular or other polygonal are available upon request. Coating: single-layer or multip-layer AR, HR, PR coating are available upon request. Specifications of BK7 Window: Typical Diameter (Φmm): *0.0, *2.7, *5.0, *0.0, *5.4, *0.0, *8.1, *0.8 Typical Thickness (mm): 2.0, 3.0, 6.0, 6.*5 Diameter Tolerance (mm): *0.0/*0.2 (General), *0.0/*0.*2 (High Precision) Thickness Tolerance (mm): ±0.2 (General), ±0.**5 (High Precision) Clear Aperture: >*0% (Small Size), >*5% (Large Size) Parallelism: 3 min. (General), 3 sec. (High Precision) Surface Quality: *0/*0 (General), *0/5 (High Precision) Flatness (per *@********************o; /2(General), λ/*0 (High Precision) Bevel (face width x *5。):<0.*5mm Coating: Uncoated, AR, HR, PR, Coating, etc. Please visit our web to read more information ! Email us your specific application questions ! Request pricing information and quotations !