Transparent High Hardness Baf2 Optical Glass Window

Product DescriptionOptical 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

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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.
Transparent High Hardness Baf2 Optical Glass Window
Barium Fluoride Window/BaF2 window
Barium Fluoride (BaF2) Windows can be used in a variety of applications, such as infrared spectroscopy, due to their wide broadband transmission that extends from the deep ultraviolet to the long-wave infrared. Barium fluoride's low index of refraction of 1.48 provides high transmission without the need for anti-reflection coatings. Barium fluoride windows can be used up to 800°C in a dry environment, but prolonged exposure to moisture can degrade transmission in the vacuum ultraviolet range. While barium fluoride windows are less resistant to water than calcium fluoride, BaF2 windows are the most resistant optical fluoride to high-energy radiation, but feature lower UV transmittance. BaF2 has a Knoop hardness of 82.

Note: These optical windows are very sensitive to thermal shock.
 
Diameter0.2-300mm
Thickness0.1-100mm
Dimension tolerance+/-0.1mm or +/-0.02mm
Surface quality (scratch & dig)60/40, 40/20 or better
Clear aperture>85%, >90%
Surface accuracyL/10 L/2 L
Parallelism+/-3' ,+/-30''
Bevel0.1~0.3mm x 45 degree
CoatingAR, 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.
                                    Barium Fluoride Window/BaF2 window
Transparent High Hardness Baf2 Optical Glass Window


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Transparent High Hardness Baf2 Optical Glass Window
Transparent High Hardness Baf2 Optical Glass Window
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Transparent High Hardness Baf2 Optical Glass Window

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