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    Nd:GGG
    Product Information :

     

    Nd:GGG is an optimal crystal for solid-state heat-capacity laser because of its high thermal diffusivity and large diameter resulting from its easiness of

    growth with flat interface between solid and melt. It is also a candidate for high average power laser

    with high pulse energy.

    Advantages of Nd:GGG Crystals
    Suitable for high energy output at heat-capacity operation
    Large crystal diameter with good optical quality

    Specifications

    Dopant concentration

    Nd: 0.5~3at%

    Orientation

    [111] within 5°

    Wavefront distortion

    ≤ 0.5λ/inch@632.8nm(for the rod)

    Extinction ratio

    ≥ 20dB @632.8nm(for the rod)

    Sizes

    Diameter2~70mm, Length 3~100mm
    Upon request of customer

    Dimensional tolerances

    Diameter: +0.00/-0.05mm, Length: ± 0.5mm

    Barrel finish

    Ground Finish with 400# Grit or polished

    Parallelism

    ≤ 10" (for the rod)

    Flatness

    ≤ λ/4@632.8nm(for the rod)

    AR coating reflectivity

    ≤0.25% @1060nm

    Optical and Spectral Properties of Nd:GGG

    Laser transition

    4F3/2→4I11/2

    Laser wavelength

    1064nm

    Fluorescence lifetime

    240μs

    Index of refraction

    1.94@1060nm

    Diode pump band

    808nm, 881nm

    Absorption linewidth

    30nm@808nm, 10nm@881nm

    Physical and Chemical Properties

    Crystal Structure

    Cubic

    Lattice Constant

    12.383 ?

    Moh Hardness

    8

    dn/dT

    17 x10-6/K

    Poisson's Ratio

    0.28

    Melting Point

    1725°C

    Density

    7.1 g/cm3

    Thermal Expansion

    8 x 10-6/K





     
     
     
     
     


       
       
     
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