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Sapphire Optics

Single Crystal Sapphire Plunger Rods Plunger For HPLC System

Single Crystal Sapphire Plunger Rods
  • High-hardness 9 Mohs, outstanding scratch resistance and chemical stability
  • Material: Optical grade single Sapphire crystal (Al2O3)
  • High transparent to wavelength of light between 0.3 μm (UV) and 5 μm (IR)
  • Widely used for high-temperature, chemical-resistant, and optical applications
  • Great transmittance, about 80%-90% in the visible light spectrum (approximately 400-700 nm)
  • Extremely high melting temperature (2030 °C)
  • Customized by design artwork

    • Sapphire (aluminium oxide single crystal) has extremely high hardness, second only to diamond, and has strong wear resistance and scratch resistance.

    Sapphire Plunger Rods also have excellent high-temperature and chemical corrosion resistance and can maintain stability in extreme environments. This makes sapphire rods important in high-temperature equipment, optical instruments, medical equipment and other fields.

    In addition, the high light transmittance of sapphire makes it excellent in optical applications, especially in the ultraviolet and infrared ranges and can transmit light of specific wavelengths without being affected.

    Sapphire Rods is one of the hardest materials, and possesses very good transmission during the range of visible and near IR spectrum.It is widely used as optical window in infrared and far infrared military equipments, apparatus and instruments of satellite and space technology, and navigation and spaceflight, such as night infrared scope/sight and night vision camera, etc.

    Sapphire rods

    Sapphire Rods

    sapphire rods special shapes

    sapphire rods special shapes

    Tsapphire step rods

    Sapphire step rods

    Customized Specification of Sapphire Rods

    Material Sapphire Optical Rods (Al2O3)
    Diameter 400 μm ~ 50 mm
    Diameter Tolerance Up to 0.005 mm
    Lenght 10 ~ 1400 mm
    Lenght Tolerance +/-0.01 mm
    Surface Quality 60/40, 40/20 or 20/10 S/D
    Surface roundness RZ0.05
    Edges Ground or polished
    Chamfer < 0.2 mm x 45°
    Coating No coating or AR, HR or PR coating
    Custom shape both ends flat, one ends radius, both ends radius
    saddle pins, special shapes

    Application of sapphire rods

    Sapphire rods is an ideal material for high-temperature applications. Because its extremely high softening point exceeds 2000 ° C, its shape and size will not change.

    Sapphire rods are chemically inert and can resist erosion in most processing environments, such as acids and bases at temperatures up to ~ 1000 °C.

    Sapphire rods are biologically inert. It is an ideal material for bioengineering, dental and medical bone implants.

    Sapphire rods has strong wear resistance and is suitable for rod bearing applications.

    Notes

  • Optical coatings are also available at your specified wavelength.
  • Sapphire transmits ultraviolet light, but sometimes exhibit fluorescence when subjected to powerful ultraviolet sources. For this reason, they are best suited for use with visible to infrared wavelengths.
  • AOG SAPPHIRE OPTICS provides finely ground and polished sapphire rods for a variety of applications. Custom shapes include ends flat, ends radius, saddle pins, special shapes to meet customer accuracy specifications. The specification of the sapphire rods we can realize is: the diameter starts from 0.4 mm, the length reaches 1400mm, and the surface quality reaches 20 / 10.