Optical Sapphire Bk7 CaF2 Mgf2 Quartz Znse Zns Infrared Silicon Windows

Product Description

Product Description
Optical windows are falt, plane parallel plates which are often used as protective barriers for electronic sensors or detectors from outside environments. When selecting windows, please consider materials, transmission, scattering, parallelism and resisitance to certain environment or mechanical properties of the substrate.
Sapphire Windows
Sapphire Windows are manufactured from single crystal sapphire, making them ideal for demanding applications (such as laser systems) because of their extreme surface hardness, high thermal conductivity, high dielectric constant and resistance to common chemical acids and alkalis. Sapphire is the second hardest crystal next to diamonds and, because of their structural strength, sapphire windows can be made much thinner than other common dielectric windows with improved transmittance. Chemically, sapphire is single crystal aluminum oxide (Al2O3) and is useful in a transmission range from 0.2 - 5.5μm.

Diameter	0.2-300mm
Thickness	0.1-100mm
Dimension tolerance	+/-0.1mm or +/-0.02mm
Surface quality (scratch & dig)	60/40, 40/20 or better
Clear aperture	>85%, >90%
Surface accuracy	L/10 L/2 L
Parallelism	+/-3' ,+/-30''
Bevel	0.1~0.3mm x 45 degree
Coating	AR, BBAR or Custom

Shenyang Ebetter Optics Co., Ltd. offers standard and high precision optical windows in round,square, wedge shapes. We also support custom made optical windows in a variety of substrates, such as UV Fused silica, N-BK7, Germanium(Ge), Silicon(Si),Zinc Selenide(ZnSe). The high precision parallelism of 10 arc seconds, surface quality of 10/5 and flatness of λ/20.Single layer or multi-layer anti-reflection coatings are available. Sapphire Windows

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