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[Sell] Dielectric High Reflective Coating |
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| Dielectric High Reflective Coating Dielectric coating can produce very high reflection (more than 99.8% at designed wavelength), minimizing losses in nearly all optical systems and is very durable, easily cleaned, and resistant to laser damage. They are commonly used in a single wavelength laser cavity where the lowest cavity loss at a center wavelength is essential. Center wavelength range from 250nm to 2200nm for Dielectric High Reflective Coatings. |
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| » Machinery & Tools/Optical |
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[Sell] Special prisms |
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| Special prisms Special prism good quality,cheap prisms |
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| » Machinery & Tools/Optical |
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[Sell] Penta Prisms |
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| Penta Prisms The deviation angle of 90 is thus independent of the orientation of the prism, making it especially important in applications in which the prism orientation cannot be precisely controlled. Due to geometry that total internal reflection cannot be used, the reflecting surfaces must be coated with a metallic or dielectric coating. The standard Penta Prism reflecting surfaces are coated with aluminum or enhanced aluminum. Sometimes, the coated surfaces are with black painting. |
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| » Machinery & Tools/Optical |
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[Sell] Equilateral Dispersing Prisms |
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| Equilateral Dispersing Prisms Equilateral prisms are mostly used to disperse the spectrum. |
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| » Machinery & Tools/Optical |
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[Sell] Dove Prisms |
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| Dove Prisms Dove Prism has two applications. The main application is used as a rotator. It can rotate an image but without deviating the beam. And when the prism is rotated about the input parallel ray through some angle, the image rotates through twice that angle. It is very important that the application must be used with parallel or collimated beam and the large square reflective surface should be kept very clean. Another application is used as a retroreflector. For this application it perform as a right-angle prism. |
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| » Machinery & Tools/Optical |
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[Sell] Corner Cube Prisms |
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| Corner retroreflectors(Corner Cube Prisms) Corner Cube Prism It has three mutually perpendicular surfaces and a hypotenuse face. Light entering through the hypotenuse is reflected by each of the three surfaces in turn and will emerge through the hypotenuse face parallel to the entering beam regardless of the orientation of the incident beam. For its special performance,it is often used to the distance measurement, optical signal process and laser. |
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| » Machinery & Tools/Optical |
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[Sell] Wedge Prisms |
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| Wedge Prisms Wedge Prisms have similar function with optical windows.They all can be used as isolating components. Wedges may be used to produce a small deviation, which don't allow return to the source. |
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| » Machinery & Tools/Optical |
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[Sell] Achromatic Lenses(Doublets) |
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| Achromatic Lenses(Doublets) Achromatic (Doublets)Lenses Achromat consists of a positive low-index Crown Glass lens element cemented to a negative high-index Flint Glass lens element. The elements are chosen so as to cancel chromatic aberration at two well-separated wavelengths, usually in the blue and red region of the spectrum. Focal length is constant at those two wavelengths and focal length shifts are virtually eliminated across the visible wavelengths. One frequent use is to achieve diffraction limited focusing of a laser beam. Negative Achromat is typically used when there is a need to eliminate chromatic aberration. In addition to reducing chromatic aberration at the design wavelengths, spherical aberration and coma are greatly reduced. |
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| » Machinery & Tools/Optical |
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[Sell] Ball Lenses |
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| Ball Lenses Ball lenses are commonly used for laser collimating and focusing, laser-to-fiber coupling, fiber-to-fiber coupling, and fiber-to-detector coupling. Larger spheres are easier to handle and ease the sensitivity of translational alignment. However, smaller spheres fit into smaller packages. Coupling efficiency is generally >90% due to the simplicity of these lenses. |
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| » Machinery & Tools/Optical |
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[Sell] Si Windows |
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| Si Windows Silicon (Si) is grown by Czochralski pulling techniques (CZ) and contains some oxygen that causes an absorption band at 9 microns. To avoid this, material can be prepared by a Float-Zone (FZ) process. Optical silicon is generally lightly doped (5 to 40 ohm cm) for best transmission above 10 microns, and doping is usually boron (P-type) and phosphorus (N-type). After doping silicon has a further pass band: 30 to 100 microns which is effective only in very high resistivity uncompensated material. CZ Silicon is commonly used as substrate material for infrared reflectors and windows in the 1.5-8 micron region. The strong absorption band at 9 microns makes it unsuitable for CO2 laser transmission applications, but it is frequently used for laser mirrors because of its high thermal conductivity and low density. Application as window, lens in the 1.5 - 8 um region; Mirror for CO2 laser and spectrometer applications. |
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| » Machinery & Tools/Optical |
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[Sell] MgF2 windows |
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| MgF2 windows Magnesium Fluoride Windows applicable for wide range spectrum, and it is particularly useful for Excimer laser application. |
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| » Machinery & Tools/Optical |
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[Sell] Ge Windows |
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| Ge Windows Germanium (Ge) is the preferred lens and window material for high performance infrared imaging systems . Its high refractive index makes Ge ideal for low power imaging systems because of minimum surface curvature. Chromatic aberration is small, often eliminating the need for correction. |
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| » Machinery & Tools/Optical |
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[Sell] Fused Silica Windows |
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| Fused Silica Windows Fused silica is formed by chemical combination of silicon and oxygen. Advantages of fused silica material include good UV and IR transmission, low thermal expansion, providing stability and resistance to thermal shock over large temperature excursions, wider thermal operating range and high laser damage threshold. Used for windows, lenses, prisms and mirror substrates. |
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| » Machinery & Tools/Optical |
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[Sell] Sapphire Windows |
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| Sapphire Windows Single crystal sapphire possesses a unique combination of excellent optical, physical and chemical properties. The hardest of the oxide crystals, sapphire retains its high strength at high temperatures, has good thermal properties and excellent transparency. |
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| » Machinery & Tools/Optical |
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[Sell] CaF2 Windows |
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| CaF2 Windows Calcium fluoride (CaF2) is an insoluble ionic compound of calcium and fluorine |
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| » Machinery & Tools/Optical |
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[Sell] BK7 Windows |
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| BK7 Windows Made from BK7 material, which has transparent range from 330-2100nm. The refractive index is 1.5168 at 587.6nm. The BK7 window has good performance over visible and near IR spectrum for most application |
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| » Machinery & Tools/Optical |
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[Sell] Bi-Convex Lenses |
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| Bi-Convex Lenses Bi-Convex Lenses are most suitable where the object and image are on opposite sides of the lens and the ratio of the image and object (conjugate ratio) distances is between 0.2 to 5mm. |
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| » Machinery & Tools/Optical |
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[Sell] Rods Lenses |
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| Rods Lenses Rod lenses is used in the fields of medical, electronic, information, agriculture, communication and etc. |
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| » Machinery & Tools/Optical |
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[Sell] Plano-Concave Lenses |
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| Plano-Concave Lenses Plano-Concave Lenses have a negative focal length and is typically used to cause a collimated beam to diverge as in a Galilean type beam expander or Telescope. Because the spherical aberration of the Plano-Concave is negative, it can be used to balance the aberration of other lenses. |
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| » Machinery & Tools/Optical |
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[Sell] Meniscus Lenses |
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| Meniscus Lenses Positive meniscus lenses is convex-concave lens thicker at the center than at the edges. Negative meniscus lenses is convex-concave lens thinner at the center than edges. |
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| » Machinery & Tools/Optical |
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