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We supply a range of Telecom Grade Windows for a range of applications - Knight Optical can offer Telecom Grade Windows for use within Fibre Optic Applications. We supply a range of Telecom Grade 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 within Fibre Optic Applications. Our Telecom Grade Windows are coated to minimise reflection in the telecoms waveband. These windows are optimized for fibre optic applications in the S and C bands between 1460nm to 1565nm while maintaining excellent transmission out of the operating wavelength. For more information read PDF… Material::B270 or equivalent, White Float Shape::Circular Windows, Square Windows Dimensional Tolerances::+/- 0.1mm Parallelism::+/- 5 arc minutes Surface Figure: :< 5(1) @ 633nm Surface quality::< 40-20 Scratch/Dig

Designed for light to medium use healthcare applications, utilizing trusted Dartex® technologies for excellent barrier properties and pressure redistribution. A versatile polyurethane-coated fabric that is often used in a community setting, or for wearables such as x-ray aprons, Care provides the unique combination of Dartex® properties that are ideal for helping to minimize the risk of avoidable pressure injuries: Contact with skin requires a safe material Optimal Barrier against fluid ingress Vapour release to maintain healthy microclimate Extension prevents hammocking through sufficient stretch Reliable and designed for purpose to maximise lifetime Manufactured in the UK and USA, Trelleborg Engineered Coated Fabrics are: •PVC Free/Latex Free/Phthalate Free/Halogen Free FR •REACH & RoHS compliant •BS EN ISO 9001:2015 (FM 14842) certified •BS EN ISO 14001:2015 (SE006995) certified

In unserem Angebot finden Sie eine große Auswahl an Wägezellenzubehör zur optimalen Krafteinleitung in den Wägepunkt. Selbst die besten Wägezellen können bei falscher Montage keine guten Messergebnisse erzielen. Daher legen wir viel Wert auf die Konstruktion und Produktion unseres mechanischen Zubehörs, um sicher zu stellen, dass die Komponenten über ihre komplette Lebensdauer ein optimales Messergebnis liefern. • Mechanisches Zubehör für Biege- und Scherstabwägezellen • Mechanisches Zubehör für Druckkraft-Wägezellen • Mechanisches Zubehör für Zugkraft-Wägezellen • Mechanisches Zubehör für Planar Beam Wägezellen Passend zu unseren Wägezellen bieten wir auch Wägemodule oder mechanische Einbauhilfen an. Gerne können Sie diese auch als Wägezellen Set (Load cell kit) bestellen. Neben unseren Standardprodukten, können wir auch die Entwicklung von kundenspezifischen Wägemodul-Lösungen für Ihre ganz speziellen Aufgabenstellungen anbieten. Gerne stellen wir Ihnen technische Zeichnungen und Installationshinweise zur Verfügung. Die Download-Links zu diesen Informationen finden Sie auf den entsprechenden Produktseiten auf unserer Homepage. Zubehörbestellungen aus unserem Standardprogramm liefern wir kurzfristig über unsere weltweit verteilten Standorte aus.

Cortec VpCI® 380 Railcar Coating. Protect your railcars with Cortec VpCI® 380, a cutting-edge, water-based acrylic coating.This innovative solution offers superior corrosion protection, directly applied to metal without primer. Enjoy long-lasting durability against harsh weather, easy application, and an attractive finish.Ideal for railcars, trucks, and more. Protects ferrous and non-ferrous metals.Maintain your fleet's value with Cortec VpCI® 380.

FUGA & FINISH Light is a lightweight, ready-to-use all-purpose joint compound for filling plasterboard joints and complete skim coating of different types of substrates. Application: • For filling and finishing joints between gypsum boards - Levels Q1-Q2 • Surface finishing of gypsum boards and common surfaces – Levels Q3-Q4 • Application in premises with normal humidity Advantages: • Premixed and ready to use right out of the container • Lightweight formula for easy application and great coverage • Can be diluted with water • Suitable for manual or machine application TECHNICAL INFORMATION: In compliance with EN 13963:2015 : Type 3B • Plastic pail: 20 kg • Consumption for joint filling: ~ 0.35 kg/m² • Coverage for joint filling: ~ 66 m²/ 20 kg • Consumption for skim coating: ~ 0.50 kg/m² • Coverage for skim coating: ~ 40 m²/ 20 kg • Pails per pallet: 33 pcs • Pallet weight: 660 kg Sizes (kg):20

Choosing a breathable, durable polyurethane-coated base ticking for your support surface is just as important as choosing a stretchy, pressure redistributing top cover. Trellelborg Engineered Coated Fabrics’ range of base ticking materials work in harmony with our top covers to provide the ultimate support surface. LOW SLIP High friction coating designed to restrict support surface movement. Use for: • Fall prevention • Minimal patient movement Designed to work with standard hospital beds to restrict movement of mattress against bed frame when the bed is articulated. Additionally, this provides stability for the support surface on the bed frame. Manufactured in the UK and USA, Trelleborg Engineered Coated Fabrics are: •PVC Free/Latex Free/Phthalate Free/Halogen Free FR •REACH & RoHS compliant •BS EN ISO 9001:2015 (FM 14842) certified •BS EN ISO 14001:2015 (SE006995) certified

For accurate color matching and consistency across multiple runs, Trelleborg Engineered Coated Fabrics works with the very best ink technology to ensure your printed support surface cover looks great and performs well. REVOLUTIONARY PRINT PROCESS • Innovative, no-odor ink that does not crack when stretched • Withstands harsh chemical cleaning • No impact on FR performance • Biocompatibility tested • Unlimited color options – 5 color print process NO NEED FOR SCREEN PRINTING • Abrasion resistant ink • Washable • Significantly more breathable than screen printing • Low coefficient of friction (CoF). COSTS Make significant cost savings as the fabric roll manufacture and printing take place at same location

A range of polyurethane coated fabrics for use in the manufacture of support surface air cells and bladders. Trelleborg Engineered Coated Fabrics manufactures a variety of polyurethane coated fabrics, polyurethane coated scrims and polyurethane films at a range of thicknesses that can be slit to width as required. Alongside traditional coated fabrics, the range includes fully transparent or pigmented polyurethane which can be reinforced with ripstop nylon scrims or textile backings. This manufacturing process provides the strength and durability required for repeated inflation and deflation cycles in a load-bearing application. Coatings are pin-hole free; essential in airholding applications for medical products. Applications include: • Air bladders • Air cells for support surfaces • Inflatable cushions

The Dartex® Performance range combines maximum functionality with all round product performance, making it ideal for a wide range of medical support surface applications. A medical support surface cover should ALWAYS be made of a polyurethanecoated (PU) fabric, as its unique combination of properties are ideal for helping to minimize the risk of avoidable pressure injuries: Contact with skin requires a safe material Optimal Barrier against fluid ingress Vapour release to maintain healthy microclimate Extension prevents hammocking through sufficient stretch Reliable and designed for purpose to maximise lifetime Originally developed in the 1980’s specifically for use in the NHS, Dartex® Performance has a long and trusted pedigree that makes it the PU-coated fabric of choice for the medical sector. Its versatility and functionality means it is suitable for multiple applications within a healthcare setting.

An innovative concept for medical support surfaces, Dartex® Zoned Coatings by Trelleborg allows different areas of the support surface to perform multiple functions on a single cover. Is this the ultimate medical support surface? The support surface cover is ‘zoned’ to create specific areas of functionality in conjunction with targeted areas of the mattress core. Multiple ‘zoning’ combinations are possible, depending on the end use of the mattress. Coating options include: • Abrasion resistance to protect against mechanical damage • Chemical resistance for durability and long lifetime • High, Low or Easy Stretch fabric options available: • High friction / low slip for improved patient and mattress handling • Highly breathable for patient comfort • Low friction / high slip for improved patient and mattress handling • Static dissipation for operating rooms • Use Zoned Coatings process to change the stretch properties within each zone • Need something different?

Choosing a breathable, durable polyurethane-coated base ticking for your support surface is just as important as choosing a stretchy, pressure redistributing top cover. Trellelborg Engineered Coated Fabrics’ range of base ticking materials work in harmony with our top covers to provide the ultimate support surface. HIGH SLIP Low friction coating designed for ease of support surface movement. Use for: • Fall prevention • Easy transfer Designed to work with standard hospital beds to allow ease of movement between support surface and bed frame when the bed is articulating. Easy to slide mattress on and off bed frame. Manufactured in the UK and USA, Trelleborg Engineered Coated Fabrics are: •PVC Free/Latex Free/Phthalate Free/Halogen Free FR •REACH & RoHS compliant •BS EN ISO 9001:2015 (FM 14842) certified •BS EN ISO 14001:2015 (SE006995) certified

The definition of ‘no compromise’; the Dartex® MicroClimate Plus range combines high levels of breathability and chemical resistance; available on a 100% recycled fabric Now you can have everything you desire in one coated fabric: breathability AND durability is now possible thanks to Trelleborg. Combining the advanced chemical resistance properties of Dartex® Endurance with superior moisture vapour permeability of Dartex® MicroClimate, the bonus feature of this ground-breaking coated fabric is its availability on 100% recycled nylon. Higher levels of breathability leads to: • Less moisture at the skin / support surface interface • Increased patient comfort as the skin is dryer and cooler Keeping vulnerable skin cooler for longer could help reduce the occurrence of pressure ulcers. • Stretch & Recovery – essential for pressure redistribution and the prevention of avoidable pressure injuries • Easily cleaned – either wipe clean or machine washable.

Known for their resistance to mechanical and thermal shock, our Magnesium Fluoride (MgF2) Windows are specified for a variety of applications operating in a range of harsh environments. Commonly employed for high-tech applications include excimer lasers, Fourier-transform infrared spectroscopy (FTIR), thermography and other infrared (IR) systems, MgF2’s durability and birefringent properties make for a sought-after optical window across a spectrum of industries. What’s more, its stability in water means it’s ideally suited for outer surfaces, such as windows. With its birefringence (beneficial for polarisers in the UV waveband), transmittance between 0.1µm and 7µm and at over 90% between 0.4-5.0µm and hardness of circa HK576, MgF2 is one of the hardest optical fluorides. For more information read PDF …… Material::Magnesium Fluoride (MgF2) Thickness::+/-0.2mm Diameter::+/-0.2mm Surface quality::<60-40 Scratch/Dig

Concentrated photovoltaics is an app which generates electricity from sunlight - Knight Optical can offer you Stock and Custom Fresnel Lenses, for concentrated photovoltaic applications in a range of materials such as PMMA Acrylic and Borosilicate. CPV is an application which generates electricity from sunlight. The key difference between this technology and conventional photovoltaics (solar panels) is the inclusion of optical components. Utilising optical components which focuses the sunlight onto solar cells increases the efficiency of the electricity generation. Knight Optical provides fresnel lenses which consist of a flat surface with interspace concentric steps whereby each step corresponds to the surface of a conventional lenses. PMMA Acrylic is a preferred material for CPV systems as it is very lightweight when used in a large size. Specialist grades of PMMA are also utilised which absorb the UV light and thus reduces the effects of solarisation i.e. the yellowing of the optical material due to exposure to UV. Read PDF for full information Material: :PMMA Acrylic/ Borosilicate Center thickness::+/- 0.2mm Clear aperture: :Nominal Standard range:± 5% Precision range:± 2% typically (± 5% manufacturing data) Design condition::Parallel light on grooved side

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… Material::Barium Fluoride (BaF2) Shape::Circular Windows, Square Windows Dimensional Tolerances::+/- 0.1mm Parallelism::< 3 arcminutes Surface Quality: :<60-40 Scratch/Dig Coating::Antireflective coatings for application bandwidth (if required)

Skin-safe, durable coated textiles for use in the manufacture of reusable blood pressure cuffs. Blood Pressure Cuffs (BP Cuffs) form an essential component of a sphygmomanometer, or blood pressure monitoring device. When attached to the patient’s arm, the cuff needs to be easily inflatable to collapse and then release the artery in a controlled manner in order to accurately measure blood pressure. Trelleborg Engineered Coated Fabrics manufactures coated fabric for: • External cuff – hook and loop compatible • Internal bladder – air holding fabric to allow easy inflation We can manufacture in a range of colors and widths to help differentiate your product range; as well as allowing different size cuffs for varying patient requirements.

Intense Pulsed Light Systems use not only use filters, that are used to filter out the UV wavelength range; and transmit between 400-1200nm for use within cosmetic lasers that are designed to remove unwanted hair, vascular treatment and even acne treatment. But they also use Homogenizing Rods to help evenly distribute light. The Light source will enter a light pipe at a variety of incident angles, which is designed to utilise its total internal reflection to channel the light from the entrance of the light pipe to the exit. The material’s refractive index is the only factor which affects the light pipes critical angle; this defines the angle of acceptance which the total internal reflection will occur at. All our Homogenizing Rods are fully inspected on their quality in our ISO 9001 certified, state-of-the-art Metrology laboratory, using our Trioptic’s PrismMaster, and Starrett AV300 Video Imaging System.. FOR MORE INFORMATION READ PDF..

Developed as a highly breathable yet durable range of coated fabrics, Dartex® MicroClimate has upwards of 20% moisture vapour transfer rate (MVTR) while remaining fully waterproof for patient comfort. Dartex® MicroClimate fabrics can be up to TEN TIMES more breathable than a standard polyurethane coating: Superior breathability – the special polyurethane coating, specifically designed to be one of the most breathable fabrics available for healthcare & medical applications, has been shown in laboratory testing to move moisture away quicker from the support surface interface1 Higher levels of breathability leads to: • Less moisture at the skin / support surface interface • Increased patient comfort as the skin is dryer and cooler Keeping vulnerable skin cooler for longer could help reduce the occurrence of pressure ulcers. • Stretch & Recovery – essential for pressure redistribution and the prevention of avoidable pressure injuries • Easily cleaned

Knight Optical can offer Lithium Fluoride Windows for use within UV Applications. We supply a range of lithium fluoride windows for a range of applications. All individually QA checked &metrology tested for quality to ensure parts meet customer specification. Supplied in a range of sizes & shapes with custom coatings tailored to meet your individual applications. Knight Optical supply precision optical components to customers using UV optics such as UV lasers. UV lasers are beneficial in some applications as opposed to longer wavelengths such as infrared or visible light as they do not heat the areas around the target. This allows the laser the cut materials by breaking atomic bonds, rather than melting the material. Due to the large band gap for Lithium fluoride, it’s crystals are more transmittive to short wavelength UV radiation than any other material and are ideal for use in X-Ray monochromators, as for use in VUV, UV, Vis and IR spectrums. Read PDF for more info…. Material::Lithium Fluoride (LiF) Shape::LiF Circular Windows, LiF Square Windows Dimensional Tolerances::+/- 0.1mm Parallelism::< 3 arcminutes Surface quality::<60-40 Scratch/Dig Coating::Antireflective coatings for application bandwidth (if required)

Our uncoated Precision Ball Lenses can be achieve a very high level of yield of magnification & are widely used for focusing & coupling light into and out of Microscopes. We can offer these in Sapphire, made from Al2O3, and BK7 or equivalent material. Sapphire allows for superior optical transmission qualities The key feature of ball lenses is their short back focal length allowing for precision coupling where size or space is a limiting factor in the system & therefore ideal in the use of Microscopes or microscopic attachments onto devices such as mobile phones. Ball Lenses are manufactured from a single substrate of glad and therefore, depending on the geometry of the input source, can focus or collimate light. Half Ball Lenses can also be used as an interchange with a full ball lens for more compact designs. Read the PDF for more information.... Material::BK7 or equivalent, Sapphire, Ruby, Quartz Diameter Tolerance::±2.5 Figure (sphericity)::1λ Focal Length (@587mm)::± 0.2% (<10mm), ±2.0% (10-1000mm), ±5.0% (>1000mm) Surface quality::<40-20 Scratch/Dig Back Focal Length (mm)::0.05 up to 2.34 for stock parts Focal Length (mm)::0.345 up to 7.34 for stock parts

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 Material::N-BK7 or Equivalent Diameter Tolerance::+0.0/-0.15mm Length/Width Tolerance::±0.1mm Thickness Tolerance::±0.1mm Flatness::>λ/4 over 90% aperture Surface quality::<40/20 Scratch/Dig Parallelism::1 arc minute Coating::Windows with the suffix “AV2” are coated on both faces with our extended broadband multilayer antire

Knight Optical can offer you Plane Mirrors (general, λ/1 and λ/4), for use within 3D Mapping Applications in a range of materials such as Soda-lime float glass, white float glass, and BK7 glass. Plane mirrors also known as front surface mirrors or first surface mirrors are used within 3D Mapping Applications. As stock we hold a number of general purpose, λ/1 and λ/4 with a range of up to 6 types of coatings such as Enhanced Aluminium, Ali/SiO2 and Ali/Mgf2. Our general purpose grade mirrors are made from good quality float glass and generally available in thicknesses of 1mm, 3mm and 6mm as standard. How our mirrors are used within 3D Mapping, is they are used as a sender and receiver of a laser beam that will take a reading of a specific surface, and from that reading it can create a 3D map of the surface that is has read. FOR MORE INFORMATION READ THE PDF.. Material::Soda lime float glass, BK7 or equivalent Diameter Tolerance::+0/-0.2mm Lengths/ width::±0.3mm (≤100mm), ±0.5mm (>100mm) Thickness::±0.25mm Surface quality::<60-40 scratch/dig for general purpose, <40-20 scratch/dig for λ/4 1.1mmthk::1λ over 10mm dia. 3/6mmthk: :2λ over 25mm dia. Parallelism::<3 arcmin

Unwanted hair, be gone! Knight Optical offer a range of Stock Dichroic Filters, for use within IPL Applications. Intense Pulsed Light filters are essential to IPL applicators as they are used to filter out the UV wavelength range; and transmit between 400-1200nm for use within cosmetic lasers that are designed to remove unwanted hair, vascular treatment and even acne treatment. These IPL Filters are often stacked between sapphire windows within the IPL applicator to offer a more defined wavelength spectrum when in use. Dichroic filters consist of thin film dielectric coatings on glass, and are designed to offer high transmission over a specific wavelength while reflecting all other wavelengths, having negligible absorption. The dielectric coating is perfect for high power applications, and does not show the strong fluorescence of certain glass filters. We hold a massive inventory of Bandpass, Long pass, Short pass, Band-blocking and Colour-correction filters. Diameter Tolerance::Borosilicate or equivalent, Sodalime Length/Width Tolerance: :+/- 0.25mm Wavelength Range::300nm-1200nm dependant on type Wavelength Accuracy: :+/- 5nm Thickness Tolerance: :+/-0.20mm Transmission: :Tmax=95% dependant on type and substrate

Automatic Number Place Recognition Cameras otherwise known as ANPRs; are camera devices designed to work at certain wavelengths (dependent on Country) to read a license plate’s number of a vehicle to then track it through a database to identify any criminal offences links to that car, such as uninsured; stolen; major and organised crime; and even terrorism. They are typically installed on motorways; busy roads around cities and towns; and also on police cars as well as specialised ANPR police vans. Knight Optical offers Colour Glass Filters for such an application, be it either long pass or bandpass filters. The wavelengths typically used by ANPR camera companies are: 695nm; 740nm; 810nm; 850nm; 910nm and 940nm Read PDF for more information Material::Colour glass Length/width::± 0.20 mm Thickness::± 0.20 mm Surface quality::<60-40 scratch/dig Parallelism::<3 arcmin

Knight Optical offer a range of Stock N-BK7 Dome Windows, for use with Underwater Lighting. A dome is an optical window composed of two parallel curved surfaces. Domes are commonly used in defence applications and often in extreme environments such as Submersible ROV’s. The shape of the window creates a naturally strong shape that gets tougher under pressure. Using a curved dome optical surface allows for an increased beam angle, therefore allowing a greater area to be lit from one light source. For visible applications, N-BK7 with its high optical quality and uniform transmission and low absorption in the visible spectrum makes it an ideal material for underwater lighting. A tough and cost effective solution which allows for good transmission of the light source in the underwater environment will both protect the light source as well as transmitting from 300nm up to 2µm. For more information read PDF Material::N-BK7 or Equivalent Diameter Tolerance::±0.1 Thickness Tolerance::±0.1 (±0.2 for >100mm diameter) Surface Quality::<60/40 Scratch/Dig Chamfer::0.2x45° typical Centricity::<0.1mm

Knight Optical can offer you stock and custom lambda/10 mirrors for use in Spectromters, in a range of materials such as BK7 or equivalent, Zerodur, Quartz, UV Fused Silica and many more. Mirrors are made from low expansion glass for optimum stability to maintain the lambda/10 flatness. The mirrors help produce high quality signals and can be coated with a variety of coatings to ensure that the perfect quality image in the wavelength you require is achieved: •Enhanced aluminium 94%R for visible applications. •99.9% dielectric for laser use in visible applications. •UV aluminium for UV applications down to 180nm. •98.5% dielectric for laser use in the NIR applications. •Ion plated silver for NIR-2000nm applications. •Protected gold for 750nm to far infra-red applications Lambda/10 mirrors are used to produce a better quality signal from the mirror, resulting in a higher quality result for transmission. Read PDF for full spec Material::Soda lime float glass Diameter::+0 / -0.2 mm Length/width::±0.1mm Thickness::+0.1 / -0.2mm Surface quality:<40:20 scratch/dig Flatness::λ/10 over 90% of mirror aperture (Rear is commercial polish)

Knight Optical can offer Littrow Prisms for use within Laser Applications. We supply a range of Littrow Prisms 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 within Laser Applications. Littrow Prisms are used near the end of an optical cavity of a laser system to finely adjust the output frequency by changing the AOI of the prism. For more information read PDF … Material::SF11 or equivalent, F2 or equivalent, UV grade fused silica Dimensional Tolerances::+/- 0.2mm Angles::+/- 1 arc minutes Surface Figure::< 0.5 waves Surface quality::< 40-20 Scratch/Dig Coating::Antireflective < 0.2% @ 550nm

Knight Optical can offer Light Guides for use within the Cosmetics Industry. We supply a range of Light Guides 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 within the Cosmetics Industry. Our Light Guides are the key element in cosmetic laser, or intense pulsed light (IPL) applications. IPL is a cosmetic application commonly used for hair removal. IPL application have requirements of different wavebands and so our custom light guides are available in a choice of materials and coatings to suit your waveband requirements. For more information read PDF… Material::N-BK7 or equivalent, Sapphire and UV Fused Silica Dimensional Tolerances::+/- 0.1mm Surface quality::< 40-20 Scratch/Dig Coatings::< AR Coatings available on request

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… Material::Germanium, ZnSe, Caf2, Silicon, Zinc Selenide (For LWIR) Diameter::Up to 200mm dia +0, -0.02mm Thickness::+/- 0.2mm Flatness::< 1/2 wave over 90% aperture Surface Quality::< 40-20 scratch/dig Parallelism::5 arcmin Coating::AR/DLC (3-5 micron, 7-14 micron, 10-12 micron)

Linear sheet polarizers are used for a broad range of applications including the production of LCD monitors and TVs, photography and other lighting and entertainment systems such as projectors. Our UV and IR sheet polarizers extend the spectral range down to 290m for the HNP’B replacement material and HR is used between 800nm to 2000nm. We have extensive stock of HR material in 76.2mm square sheets. The range from 800-860 the HN7 type offers superior performance at a reduced price. Working below 800nm HN22 is an ideal choice. Knight Optical supply linear sheet type polarizers in a range of types. These sheet polarisers were formerly supplied by Polaroid/3M under the Vikuti brand. Although these sheets have since been made obsolete by the manufacturer, Knight Optical holds substantial stock of the original material including HN32, HN38 and HN42, and performance HN22, HN38S and HN42HE high extinction sheets Read PDF for information