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KNIGHT OPTICAL (UK) LTD
United Kingdom
Knight Optical can supply you with a custom made Diamond turned aspheric lenses for use within Thermal Imaging Cameras. We supply a range of diamond turned aspherics for a range of applications. All individually QA checked and metrology tested for quality to ensure parts meet customer specification. Supplied in a range of sizes and shapes with custom coatings tailored to meet your individual applications. Thermal Imaging Cameras work similarly to traditional visible camera systems; while traditional cameras form images using visible light; thermal cameras form images using infrared radiation; operating in wavelengths as long as 14µm. Spherical aberration occurs in common singlet lenses, which results in an image that appears distorted, aspheric lenses correct spherical aberration. An aspheric lens surface is designed non-spherical, which allows a single component lens to collimate or focus highly divergent rays, Read PDF for more information…
Request for a quoteKNIGHT OPTICAL (UK) LTD
United Kingdom
Are you looking for a popular high refractive index and good IR transmission range material covering from 1.8-16µm? Here we are; Knight Optical’s Germanium glass material is ideal for your IR applications with its broad transmission range and opacity in the visible portion of the spectrum. Our Germanium windows are not only used in IR sensors, medical applications, and pyrometry; but also in IR imaging systems, and thermographic cameras. Typically operating in the 2µm to 14µm spectral range; that covers the LWIR (8-12μm) and MWIR (3-5μm) thermal imaging wavelength range. Our Germanium windows are available from stock, custom size and shape with Anti-Reflection coatings on one or both sides, and/or with Hard Carbon Diamond coatings. Read our PDF for more details...
Request for a quoteKNIGHT OPTICAL (UK) LTD
United Kingdom
Knight Optical offer a range of Stock N-BK7 Precision Grade Windows, for use with Thermal Imagining Cameras. Infrared radiation is characterised by the wavelengths ranging from 750nm to 1000µm. Although typically used for the visible range, N-BK7 does have transmission within the near infrared spectrum also. Where IR materials such as Germanium are limited to a small band in the IR spectrum, N-BK7 works well throughout the entire visible and into the NIR, making it a perfect material for a protective window for using within a Thermal Imaging Camera. A low cost material, it is perfect substrate for your protective window. We can supply both stock and custom N-BK7 windows to protect your thermal imaging application. The high optical quality and uniform transmission of N-BK7 as well as low absorption in the entire visible wavelength range is a key feature for this application. For more information read PDF
Request for a quoteKNIGHT OPTICAL (UK) LTD
United Kingdom
We can supply you with a custom made Diamond turned aspheric lenses for use within Thermal Imaging Cameras. Thermal Imaging Cameras work similarly to traditional visible camera systems; while traditional cameras form images using visible light; thermal cameras form images using infrared radiation; operating in wavelengths as long as 14µm. Spherical aberration occurs in common singlet lenses, which results in an image that appears distorted, aspheric lenses correct spherical aberration. An aspheric lens surface is designed non-spherical, which allows a single component lens to collimate or focus highly divergent rays, potentially replacing a multi-lens system. This in turn provides the camera system with a better image quality. Knight Optical offers diamond turned aspherics from a range of infrared materials including Germanium (Ge), Calcium Fluoride (CaF₂), Zinc Sulphide (ZnS), Zinc Selenide (ZnSe), Aluminium (Al) and chalcogenide glasses like AMTIR (Ge33As12Se55 ) PDF FOR INFO
Request for a quoteKNIGHT OPTICAL (UK) LTD
United Kingdom
Knight Optical are very experienced within the Thermal Imaging market, including anti-reflective and diamond-like-carbon coatings used on the optical components in these systems. Knight Optical know exactly what you are looking for. Thermal imaging uses infrared materials such as Germanium and Silicon, however in there raw form the transmission is not the best it could be. For example, Germanium typically transmits at <45% but with an AR coating applied, it can improve transmission to >60%. This increase in transmission means that the camera sensor receives a better signal through the protective window. Also with protective windows, we can provide high quality DLC coatings. We ensure the coating is Salt Fog Tested to MIL-SPEC standard to ensure that the coating withstands harsh environments. The coating has high mechanical hardness and high resilience to external stress. Read PDF for more information
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KNIGHT OPTICAL (UK) LTD
United Kingdom
Knight Optical offer a range of Stock Sapphire Windows, for use within Infrared Systems. Knight Optical can offer Sapphire (Al2O3) Optics for Infra-red systems over the waveband of 0.2 to 5µm. We offer Sapphire optics for UV, Visible, NIR (0.9 to 1.5µm) and Mid-Waveband Infra-Red (MWIR, 3 to 5µm) Imaging Systems. Sapphire has hardness of about HK2000, which makes it a better choice for windows and outer elements of lens systems. Sapphire has good transmission in the MWIR band, and can be used with optical glass in the NIR, and with Silicon or Germanium in the MWIR, to form well corrected doublets and lens systems. These systems include, for example, Forward Looking Infra-Red (FLIR) systems, and thermography. Al2 O3 has a refractive index of about 1.9288no 1.9174ne at 200nm through to 1.623no 1.615ne in the IR (5µm). This pairing will allow for the design and manufacture of a colour corrected lens that can be used in broad spectrum thermal imaging systems.
Request for a quoteKNIGHT OPTICAL (UK) LTD
United Kingdom
Knight Optical can offer Barium Fluoride Windows for use within Medical Imaging. We supply a range of barium fluoride windows for a range of applications. All individually QA checked and metrology tested for quality to ensure parts meet customer specification. Supplied in a range of sizes and shapes with custom coatings tailored to meet your individual applications. Knight Optical supply precision optical components to customers in the medical industry for applications such as medical thermology and thermography. Barium fluoride optics are used in the detection and screening of breast cancer and for screening for atypical pneumonia (SARS) and monitoring respiratory conditions. Due to barium fluoride’s high radiation resistance, it is ideal for use in high radiation (x-ray/gamma rays) environments. Other applications include cryogenically cooled thermal imaging systems, infrared spectroscopy and high energy neutron detection. Read PDF for more information…
Request for a quoteKNIGHT OPTICAL (UK) LTD
United Kingdom
Knight Optical can offer you the solution for your CCTV Cameras! CCTV Systems use Germanium Windows for their properties which make them ideal for thermal imaging and night vision use. Germanium Material offers excellent transmission across the IR wavelength range. Making it ideal for use within Thermal Imaging Cameras; which are used extensively in CCTV applications. Germanium typically operates in the 2µm to 14µm spectral range; that covers the LWIR (8-12μm) and MWIR (3-5μm) thermal imaging wavelength range. Our Germanium windows are available from stock, custom size and shape with Anti-Reflection coatings on one or both sides, and/or with Hard Carbon Diamond coatings. Custom coatings for Germanium windows available on you request and to your specific requirement with diameters up to 300mm diameters. Read PDF for Info
Request for a quoteKNIGHT OPTICAL (UK) LTD
United Kingdom
Knight Optical can offer Calcium Fluoride Lenses for use within the Oil and Gas Industry. We supply a range of calcium fluoride lenses for a range of applications. All individually QA checked and metrology tested for quality to ensure parts meet customer specification. Supplied in a range of sizes and shapes with custom coatings tailored to meet your individual applications. Knight Optical supply precision optical components to customers in the oil and gas industry for use within detectors and spectrophotometers. For spectroscopy, calcium fluoride is superior to many other materials such as N-BK7 or fused quartz due to a lack of OH absorption peaks. Due to calcium fluoride’s low absorption and reflection and high damage threshold these lenses can often be used uncoated and are ideal for use in laser applications as well as thermal imaging systems, spectroscopy and high energy neutron detection. For more Information read the PDF….
Request for a quoteKNIGHT OPTICAL (UK) LTD
United Kingdom
Diamond turning is an Aspherics best friend! Knight Optical can offer custom made Diamond turned aspheric lenses for use in missile guidance systems, night vision/thermal Imaging cameras and other military based and commercial infrared systems. We supply a range of diamond turned germanium aspherics for a range of applications. All individually QA checked and metrology tested for quality to ensure parts meet customer specification. Supplied in a range of sizes and shapes with custom coatings tailored to meet your individual applications. The benefit of Diamond Turned Aspherics, are that lens shapes can be manufactured very accurately without an expensive tooling cost except for the diamond bit; and is cost efficient for small quantities. Which are ideal for use within the Defence and Aerospace Industry. Knight Optical offers diamond turned aspherics from a range Read PDF for full specification…
Request for a quoteKNIGHT OPTICAL (UK) LTD
United Kingdom
Diamond turning is an Aspherics best friend! Knight Optical can offer custom made Diamond turned aspheric lenses for use in missile guidance systems, night vision/thermal Imaging cameras and other military based and commercial infrared systems. We supply a range of diamond turned germanium aspherics for a range of applications. All individually QA checked and metrology tested for quality to ensure parts meet customer specification. Supplied in a range of sizes and shapes with custom coatings tailored to meet your individual applications. The benefit of Diamond Turned Aspherics, are that lens shapes can be manufactured very accurately without an expensive tooling cost except for the diamond bit; and is cost efficient for small quantities. Which are ideal for use within the Defence and Aerospace Industry. Knight Optical offers diamond turned aspherics from a range Read PDF for full specification…
Request for a quoteKNIGHT OPTICAL (UK) LTD
United Kingdom
Knight Optical can offer Barium Fluoride Optics for use within Medical Imaging. We supply a range of Barium Fluoride Optics for a range of applications. All individually QA checked and metrology tested for quality to ensure parts meet customer specification. Supplied in a range of sizes and shapes with custom coatings tailored to meet your individual applications. We supply precision optics to customers in the medical industry for applications such as medical thermology and thermography. Barium fluoride optics are used in the detection and screening of breast cancer and for screening for atypical pneumonia (SARS) and monitoring respiratory conditions. Due to barium fluoride’s high radiation resistance, it is ideal for use in high radiation (x-ray/gamma rays) environments. Other applications include cryogenically cooled thermal imaging systems, infrared spectroscopy and high energy neutron detection. For more information read PDF…
Request for a quotePATOL LTD
United Kingdom
The Fire Thermal Infrared (FireTIR) detection system is based on fixed infrared cameras which measure the viewed surface temperatures in real time and connect to a user friendly software interface.
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