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Product description
Product Description
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.
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
λ/10 λ/2
Parallelism
+/-3' ,+/-30''
Bevel
0.1~0.3mm x 45 degree
Coating
AR, BBAR or Custom
Barium Fluoride Window/BaF2 window
Related Products
Certificate
                        ISO9001
                          CE
                          RoHS
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Company Introduction
Shenyang Ebetter Optics Co.,Ltd. is a professional manufacturer of precision optical components and optical lens, diffraction grating manufacture. Since the company was established, it has been committed to the research and production and sales. We can carry out the optical system design and production of related accessories,and moreover we have already got import and export rights. nowadays products have been sold to many countries and regions,and established long-term good relations of cooperation with the optical companies of United States,Canada,the European Union and other countries. We get a good reputation with quality products.
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