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Custom Sapphire Windows

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Global leaders in custom optical solutions
Internationally recognised
All optical components 100% QA checked
ISO14001 & ISO9001 certified

Knight Optical offers an extensive range of sapphire windows specifically for various industry needs. Our sapphire optics are renowned for their exceptional hardness and durability, making them ideal for demanding applications.

We specialize in sapphire optical transmission, ensuring high clarity and performance across UV to 5µm wavelengths. Our range includes optical sapphire solutions, designed to meet the specific needs of each client. Our sapphire optical fiber technology is state-of-the-art, providing transmission quality and resistance to harsh environments.

When it comes to affordability, we provide competitive sapphire window prices, ensuring you get the best value without compromising on quality. Our products are crafted with precision, offering superior optical performance.

For those seeking robust and durable solutions, our sapphire glass window selection is second to none. They offer excellent transmission, ensuring maximum clarity and efficiency. Choose Knight Optical for your sapphire window requirements and experience the difference in quality and service.

Speak to our experts about your Custom Sapphire Window needs today

Call +44 (0)1622 859444 Call +1 401 583 7846

Make a quick enquiry about Custom Sapphire Windows Now

Dive into the forefront of optical solutions. Got questions about an optical product? Reach out now and let our expertise guide you.

    Metrology Testing and Quality Assurance

    Our products are strictly tested in our cutting-edge metrology lab, ensuring they meet our high-quality standards. Contact our expert team today and discover how our sapphire windows can enhance your optical applications.

    Frequently Asked Questions

    Sapphire windows are preferred for their exceptional durability, high resistance to scratches and thermal shock, and broad optical bandwidth that remains transparent from ultraviolet to infrared light. They are particularly beneficial in environments where traditional glass would not suffice due to extreme conditions. Their applications span from consumer electronics like smartphone screens to aerospace and scientific instruments​​.

    Sapphire optics, including windows and lenses, are widely used in industries such as military, aerospace, medical, and scientific research due to their strength against extreme conditions and chemicals. They are essential in devices that require high durability and optical clarity, such as high-power lasers and deep-sea exploration equipment​​.

    Sapphire boasts a wide optical transmission band from ultraviolet (UV) to mid-infrared (IR), providing superior transparency compared to many traditional optical materials like fused silica and quartz. This wide range allows for diverse applications across different industries, from high-temperature environments to corrosive atmospheres​​.

    Sapphire lenses and windows’ price is influenced by their high mechanical strength, extreme surface hardness, and complex manufacturing process. Despite their higher initial cost compared to standard glass, sapphire optics offer long-term savings due to their durability and reduced replacement needs. As manufacturing techniques improve, the costs are expected to become more accessible​​.

    Sapphire windows offer significant advantages, such as higher mechanical strength, resistance to abrasion, and an extremely wide optical transmission range. They can withstand extreme temperatures and are chemically passive to almost all substances except very hot caustics. Their unique properties make them ideal for harsh environments where other materials might fail, providing excellent long-term value​​.

    When considering sapphire glass windows, assess factors like thickness, size, and optical coatings based on your application needs. The choice between random polarization sapphire and specific cuts like C-cut or Z-cut depends on the intended use, especially for UV applications. Additionally, the overall cost-benefit analysis considering the longevity and performance enhancements should be taken into account​​.

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    With our in-house state-of-the-art metrology laboratory you can be confident that your optical components will meet your requirements. You can find out more about our testing facilities here.

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      Operating for over 30 years

      Knight Optical has been operating for over 30 years, with our managing director Colin Overton at the helm. Over this time, we have become a global leader in the production and distribution of scientific optical components and bringing quality into focus for all of our products and services that we provide.