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    Er:YAG
    Product Information :

     

    Advantage:

    Very high slope efficiency

    Operates well at room temperature

    Operate in a relatively eye-safe wavelength range

    Basic Properties:
    Crystal Structure? Cubic?
    Lattice Parameters? 12.01???
    Melting Point? 1970°
    Moh Hardness? 8.5
    Density? 4.56?.04g/cm 3?
    Specific Heat (0-20)? 0.59J/g.cm 3?
    Modulus of Elasticity? 310GPa?
    Young's Modulus? 3.17X10 4 Kg/mm 2?
    Poisson Ratio? 0.3(est.)?
    Tensile Strength? 0.13~0.26GPa?

     

    Optical and Spectral Properties:

    Dopant concentration? Er: ~50 at%?
    Laser Transition Transition? 4 I 11/2 to 4 I 13/2 to 4 I 13/2?
    Laser Wavelength? 2940nm?
    Photon Energy? 6.75?0 -20 J(@2940nm)?
    Emission Cross Section? 3?0 -20 cm 2?
    Index of Refraction? 1.79 @2940nm?
    Pump Bands? 600~800 nm?

     
    Specifications:
    Orientation:? <111> or <100]> crystalline within 5?SPAN style="mso-spacerun: yes">?
    Wavefront distortion :? ?/8 per inch @ 633 nm?
    Extinction Ratio:? >25dB?
    Dimension Tolerances? Rods with diameter: ?.025 mm , Length: ?.5 mm?
    Surface quality:? 10/5 Scratch / Digper MIL-O-1380A?
    Parallelism:? < 10 arc seconds?
    Perpendicularity:? < 5 arc minutes?
    Flatness:? <?/10 @ 633 nm?
    chamfer:? <0.1 mm @ 45deg.?
    Barrel Finish:? ground or polished
    AR Coating Reflectivity? R< 0.25%?
     

    Other specifications are available as the requirements of customers.

     
     
     
     
     


       
       
     
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