N-BK7 glass laser line windows

Optical Windows made of BK7 material have high transmission in the visible spectral region, do not scratch easily, do not degrade under normal operating environment and hence do not need any special precaution or treatment. Anti-Reflective Coating on the optical windows will provide higher transmission.

China Star Optics offers all types of Standard Optical Windows or High Precision Optical Glass Window made from different materials. Such as N-BK7, Fused silica, crystalline quartz, sapphire,Caf2 Drilled Window, Zinc Selenide Windows, Silicon Infrared Window , Borofloat window, high borosilicate glass window, High Purity Silica Windows and other optical glass supplied by Schott and Chinese CDGM are available upon request. Standard optical Windows at shape of round window ,quadrate window, triangular window or other polygonal windows are also available upon request.In addition, we provide a variety of  single layer or multiplayer anti-reflecting coating,HR,PR coatings on optical windows.

Specification of our Standard optical windows as follow:
*Material:high borosilicate glass window, BK7 Optical Round Window,UV grade fused silica (JGS1), high purity silica windows, Zinc Selenide windows or other Optical Infrared Window.
*Length tolerance:+/-0.01
*Width tolerance:+/-0.01
*Center thickness tolerance :0.05 mm
*Surface quality:80-50 to 10-5 Scratch/Dig
*Surface flatness:
*Parallelism<=1 min -- 2 sec
*Clear Aperture:80% -- 100%

Product Categories : Optical Windows > High Precision Optical Glass Window