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China, Chinese Sapphire/Optical Sapphire/Sapphire Optical Glass/Optical Sapphire Glass1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Nonmetallic MineralsQuartzSchott GlassSchott Sapphire
Shanghai Rui Tai Photoelectric Technology Co., Ltd.
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Product Description General Introduction:Good Sapphire, as one of the hardest, most durable and scratch resistant materials, offers a broad transmission range from UV to mid infrared wavelengths (250 - 5000 nm). The material is able to withstand extreme environmental conditions and temperature changes. Raytek offers sapphire materials, Raytek offers the machining process in different supply forms, dimensions, and in customized processing stages.Products Name: Optical Sapphire Alias: Optical Sapphire, Optical apphire windows, Optical Sapphire materials, Sapphire optical materials, etc Main Characteristics:1).Extreme hardness & high mechanical strength (withstands extreme environmental conditions)2).Excellent thermal conductivity/heat resistance3).High transmittance (UV to IR)4).Low dn/dT5).High electrical resistance (1014 Ohm x cm)6).High dielectric constant (9.39 from 1.0 MHz to 8.5 GHz)Thermal Properties:ItemsValueThermal conductivity (60° to c-axis) at 25 °C27.21 W/ (m x K)Linear thermal expansion coefficient (60° to c-axis) α(25 °C; 800 °C)8.4 10- 6 / KSpecific heat at 25 °C774.4 J / kg x KHeat capacity at 25 °C77.87 J / K x molMechanical Properties:ItemsValueValueTensile strength40,000 - 60,000 psi (design criterion)0.27 - 0.41 GPaFlexural strength70,000 -130,000 psi (design criterion)0.48 - 0.89 GPaYoung's Modulus, E (25 °C)(Modulus of Elasticity)50 x 106 psi345 GPaCompressive Modulus, K55 x 106 psi379 GPaFlexural Modulus (Modulus of Rupture)52 x 106 psi358 GPaShear Modulus, G (Modulus of Rigidity)21.5 x 106 psi148 GPaBulk Modulus, k (Volumetric Modulus of Elasticity) Poisson's Ratio35 x 106 psi0.29241 GPaOptical Properties:ItemsValueUniaxial Negativeno = 1.768ne = 1.760Birefringence0.008dn/dt (0.6 μm)13 x 10-6/°C (visible range)Spectral Emittance0.1 (1600 °C)Spectral Absorption Coefficient0.1 to 0.2 cm-1 (0.66 micron, 1600 °C)Electrical Volume Resistivity1016 Ohm x cm (25 °C)1011 Ohm x cm (500 °C)106 Ohm x cm (1000 °C)Dielectric Strength480,000 volts/cm (1,200 volts/mil)Dielectric Constant11.5 (103 to 109 Hz, 25 °C) parallel to c-axis9.3 (103 to 109 Hz, 25 °C) perpendicular to c-axisLoss Tangent8.6 x 10-5 (@1010 Hz, 25 °C) parallel to c-axis3.0 x 10-5 (@1010 Hz, 25 °C) perpendicular to c-axisMagnetic Susceptibility- 0.21 x 10-6 parallel to c-axis- 0.25 x 10-6 perpendicular to c-axisMain Applying Fields: Applying Fields:1).Infrared applications (e. g. radiometry, guidance, gas analysis, medicine, safety and security)2).High-pressure and shock-loading applications(e. g. chamber or heater windows in chemical process equipment)3).Optical applications (e. g. optical components from UV to IR)4).Scratchproof sapphire watch glasses***** Matching Custom Manufacturing Serivce:Including Moulding, CNC machining, Polishing, Particle beam processing, Magnetic flux conversion processing, Grinding, Coating, Lightweighting, Custom Shaping, Counterbores, Drilling & Coring, Edge & Bevel Polishing,3D Contouring, Bevels & Chamfers, Steps & Slots, Laser Cutting & Marking, Metrology & Inspection, Precision Pitch Polishing, Double-Sided Polishing, Optical Assembly, Measuring, etc.Matching processing equipments;1).Single side lapping and polishing machines2).Duble sided polishing machines3).Ring throwing machines4).DMG five-axis five-linkage spherical milling machine5).DMG ultrasonic machining center6).Super large scale gantry cnc machining center (2.0*2.0m)7).Super large scale surface grinder (1.6m*1.6m)8).CNC cutting machines9).Thin plate cleaning machines10).Ultrasonic trough cleaning machines11).Plane interferometers12).Two dimensional detectors13).Ion beam polishing machines14).Magnetorheological polishing equipmentsMain Export Countries & Areas: Usa, Uk, Japan, Germany, Spain, France, Swiss, Korea, Russia, Pakistan, India, Portugal, Canada, New Zealand, Australia, Saudi Arab, Turkey, Finland, Poland ,etc.Raytekoptics Extra value added services offered:1). Optical workcraft & process solution design;2). Rough processing raw materials;3). Semi finishing raw materials;4). Fabricate custom sizes and shapes;5). Design and supply custom coatings;6). Modify and resurface customer supplied materials;7). Drill holes, notch glass and provide beveled substrates;8). Precision polish optics with non-standard aspect ratios;Payment Method: by T/T or Western Union.Delivery time: 7-10 days. Quality Warranty: Ruitaiphotoelectric(Raytekoptics) offers quality warranty for our optics products with "3R" policy--return, replace & refund policy. For any inferior-quality products, Ruitaiphotoelectric(Raytekoptics) is responsible for return, replacement and refund.
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