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■Uses UV-grade calcium fluoride with low absorption/high transmission characteristics on the substrate ■T > 90% from 250nm to 7μm ■Low refractive index ■A lineup of AR coatings that function within the range of 250 - 5000nm ■Also available with calcium fluoride (CaF2) wedge windows *You can download the catalog from Edmund Optics Japan that features this product from the link below.
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basic information
TECHSPEC calcium fluoride (CaF2) windows have a transmission wavelength range from 250 nm to 7 μm. Due to their low light absorption and ability to withstand strong light energy, they are widely used as optical elements for excimer lasers. Additionally, because of their low refractive index (around 1.3 to 1.4), they experience minimal transmission loss due to surface reflection (Fresnel reflection), allowing for high transmission rates even without an anti-reflective coating. They are also ideal as transmission materials for thermal imaging. On the downside, their softness (Knoop hardness: 158.3) makes them prone to scratches, requiring special care during product handling, fixation, or cleaning. For the product lineup, specifications, and sales prices of standard products, please refer to the relevant product page on the official website of Edmund Optics Japan Co., Ltd. (accessible via the product homepage linked above). *You can download the catalog featuring this product from the link below.
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Applications/Examples of results
Edmund Optics (EO) is a leading company in optical components, imaging, and photonics technology. It supports markets worldwide, including R&D, electronics, semiconductors, pharmaceuticals, and biomedical fields. EO's products are used in a wide range of applications, from DNA analysis to retinal personal identification and high-speed FA applications. With the integration of EO's latest manufacturing capabilities and global logistics network, it is recognized in the market as the No. 1 supplier of optical components available for stock sale. Japanese customers are served by the local subsidiary, Edmund Optics Japan Co., Ltd.
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Company information
Edmund Optics is a photonics and imaging company that has been manufacturing and supplying precision optical components and subassemblies to industries worldwide since its founding in 1942. In addition to the design and manufacture of a wide range of optical components, imaging systems, and optomechanical devices, Edmund Optics also supports OEM applications through the mass production of both stock items and custom products.
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