Knight Optical’s Sapphire Windows for Infrared (IR) Applications
29 Dec 2020
Sapphire crystal (Al2O3) is a sought-after material for a range of high-precision IR applications; for example, within the aerospace and aeronautical industries and in high-powered laser applications such as Er: YAG lasers. With a high transmission from 150nm up to around 5µm, not only is Sapphire an outstanding choice for ultraviolet (UV) and visible wavelengths but it's also an optimum substrate for applications operating within the infrared (IR) spectrum.
With excellent mechanical strength, scratch-resistance and hardness as well as an optimal thermal and chemical resistance, Sapphire is a perfect substrate choice for protective optical components, such as Windows. Furthermore, its durability means it repels attacks from harsh environments, meaning it's suitable for a diverse variety of end applications.
Available in three options, Random Cut, Fluorescence-Free (custom-made only) and C-Cut and Z-Cut options, our Sapphire Windows meet a range of high-precision IR requirements. Furthermore, all four types are available as custom-made components to meet a wide range of project requirements. This option allows you, as the specifier, to choose the dimensions, tolerances, shapes and coatings that are best suited to your project. By working with our team of highly qualified Technical Sales Advisers, your optical specification will benefit from the utmost quality and operability thanks to our 28 years' experience.
Typical Specs (Stock):
Material: Random-Cut Sapphire/C-Cut Sapphire
Diameter: +0.0 / -0.20 mm
Length, width: ±0.1 mm
Thickness: ±0.1 mm
Surface quality: <60-40 scratch/dig
Parallelism: 5 arcmin
Quality is the driving force behind Knight Optical, and to ensure you profit from high-precision optics, we take the utmost care to ensure every component accurately meets your specifications. Offering unparalleled service, Knight Optical undertakes a full inspection of your optics from our ISO 9001:2015-certified, state-of-the-art Metrology Laboratory, followed by a meticulous visual examination by our dedicated QA department.
To discover how we can enhance your supply chain experience and to learn more about our stock and custom-made IR Sapphire Windows, contact a member of our technical sales team today.
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