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DeLn Optics Co., Ltd.( China)
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    Ti:Sapphire crystals

    Ti:Sapphire crystals

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    Laser Crystals ---------Ti:Sapphire

    Al2O3:Ti3+ - titanium-doped sapphire crystals combine supreme physical and optical properties with broadest lasing range, It's indefinitely long stability and useful lifetime added to the lasing
    over entire band of 660-1050 nm challenge "dirty" dyes in variety of applications. The absorption band of Ti:Sapphire centered at 490 nm makes it suitable for variety of laser pump sources - argon ion, frequency doubled Nd:YAG and YLF, copper vapour lasers. Because of 3.2 ¼s fluorescence lifetime Ti:Sapphire crystals can be effectively pumped by short pulse
    flashlamps in powerful laser systems.

    DeLn Optics general Ti:Sapphire production capabilities include:

    Ti2O3 Concentration 0.06-0.5 wt%
    Figure of Merit 100~300
    Diameter 2~50mm
    Path Length 2~130mm
    End configuration flat/flat or Brewster/Brewster ends or pecified

    Orientation Optical axis C normal to rod axis
    ±490 1.0-7.5cm-1
    Flatness l/10 at 633nm
    Parallelism 10 arc sec
    Surface quality 10/5 scratch/dig
    Wavefront distortion l/4 per inch

    Chemical formula Ti3+: Al2O3
    Crystal structure Hexagonal
    Melting point 2050 °C
    Density 3.98 g/cm3
    Mohs hardness 9
    Thermal conductivity 0.11 cal/(°C x sec x cm)
    Specific heat 0.10 cal/g

    Laser action 4-Level Vibronic
    Lattice constants a = 4.748, c = 12.957
    Fluorescence lifetime 3.2 ¼sec (T = 300 K)
    Tuning range 660-1050 nm
    Absorbtion range 400-600 nm
    Emission peak 795 nm
    Absorption peak 488 nm
    Refractive index 1.76 @ 800 nm


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