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| After-sales Service: | Good After-Sales Service |
| Warranty: | Forever |
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Windows are optical glass with ground and polished faces that are relatively parallel.They are used to isolate two physical environments while allowing light to pass.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 will provide higher transmission.
When selecting windows, you should consider the following: material,transmission,scattering,wave front distortion,parallelism and resistance to certain environment.
China Star Optics offers all types of windows made from different materials.Special size and materials are also available upon request.In addition, we provide a variety of single layer or multiplayer anti-reflecting coating on optical windows.
Specification of our optical windows as follow:
*Material: BK7,UV-grade fused silica (JGS1) or other optical crystals materials
*Length tolerance:+/-0.01
*Width tolerance:+/-0.01
*Center thickness tolerance:0.005mm
*Surface quality:80-50 to 10-5 Scratch/Dig
*Surface flatness:<lambda to lambda/20
*Parallelism<=1min -- 2sec
*Clear Apenture:80% -- 100%
China star optics Technology Co.,Ltd.is a first-class technical company,which specialized in providing optical products,base in the famous optical base in ChangChun City,JiLin Province.We focus on the research and development of optical components,as well as manufacturing and selling them with low price.The products used in industrial,medical,scientific and other fields.
China star optics has a strong technical force,brings together outstanding optical design and processing specialists,owns advanced processing equipment and coating equipment,advanced detection equipment.Our company offers you a very wide range of optical lenses,including spherical lens,cylindrical lens,aspherical lens,windows,prisms,crystal,mirrors and high precision optical samples etc.In addition,we specilize in customizing photographic lens and accessories,such as wide angle lens,telephoto lens,projector lens,fisheye lens etc.We would also like to do OEM for you according to your request.
As the operating principle of "honest and trustworthy, mutual benefit and win-win",slogan of "Quality First, Customers First",China star optics dedicate to provide customers high-quality products and service,and sincerely hope that we could build long-term friendly business relationship with the merchants all over the world.
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