Calomel is suitable for the construction of acousto-optical devices. To illustrate, Calomel´s AO figure of merit is comparable with that of a tellurium dioxide TeO2 and more than one order better than that of lead molybdenate PbMoO4. The transparency of Calomel (0.38 to 20µm) enables the use of AO units in a broad spectral range (compared with TeO2) covering a very interesting thermal IR region. No acousto-optical tuneable filter for interesting spectral TIR region is currently available on the market.
United Kingdom
Knight Optical can offer Planoconcave Lenses for use within Optical Systems. We supply a range of Planoconcave 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 with Optical systems. Planoconcave lenses are simple lenses with a plane surface and a concave surface and form a moderate quality image close to the axis. Concave lenses have a broad range of applications including, focussing and control of laser beams, moderate quality imaging and other optical instruments. In a multi-element optical system they reduce the power of the system. Used on their own they form a diverging cone or virtual image. A typical use for concave lenses would be in a beam expander. For more information read the PDF ….
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Metallic thinfilm systems are vaporized onto substrates to attain specific reflection and transmission values. Depending on the type of metal and the thickness of the layer, metallic splitter coatings are able to separate customerspecific wavelength areas.
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Differentiation between ANSI and DIN / EN ANSI eyeglass blinds differ from DIN / EN eyeglass blinds in terms of pressure levels, sealing strips and materials. In German-speaking countries, glasses blind disks are also called blind disks or throttle disks. However, the English terms “spectacle blind”, “blind paddle” are also often used in Germany. Pressure ratings according to ANSI in lbs The following pressure levels for blind disks according to ANSI are available 150, 300, 600, 900 and 1500 lbs. Sealing strips The following forms of sealing strips are available: SMF, FF, RF and RTJ. Materials The steel materials A 516 GR 60 and A 516 GR 70 are available. In the stainless steel sector, the materials TP 304 / L, TP 316 / L and TP 312 are possible.
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We offer optical brightners In guaranteed quality, at stable prices and packed appropriately for transportation. Do you need advice on choosing your product or are you looking for a suitable substitution? Our application and product experts are happy to help! Our experience and deep knowledge in the area of specialty chemicals and ingredients ensures that we are well positioned to effectively support both our customers and our suppliers with product and application expertise. Please contact us for more information!
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