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Er Cr Yb Glass 2 GPa Tensile Strength 1535 Nm Emission Wavelength 8.5 Mohs Hardness

Categories Laser Glass
Brand Name: CRYLINK
Certification: Iso9001
Place of Origin: China
MOQ: 1 Pieces
Price: negotiation
Payment Terms: TT
Supply Ability: 100 pieces /month
Delivery Time: 3-4 weeks
Packaging Details: Carton
Name: Er,Cr,Yb:Glass
Mohs Hardness: 8.5
Young’s Modulus: 57.6 GPa
Tensile Strength: 2 GPa
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    Er Cr Yb Glass 2 GPa Tensile Strength 1535 Nm Emission Wavelength 8.5 Mohs Hardness

    Er,Cr,Yb:Glass

    Erbium Glass doped with Er3+, Yb3+ and Cr3+, Erbium doped glass laser provides a useful coherent source in the spectral range near 1.5 m, which is relatively safe for the human eye and is convenient in many applications, such as lidar and range measurements, fiber-optic communication, and laser surgery. In spite of the considerable progress in the development of InGaAs laser diode pump sources, Xe flashlamp will continue to be used as pump sources of Er:glass lasers because of their high reliability and low cost, and also the simplicity of design of such systems. Since about half the flashlamp radiation energy is emitted in the visible and near infrared (IR) ranges, a second sensitizer Cr3+ is introduced into Yb-Er laser glasses to utilize this energy.

    Parameter

    Material and Specifications
    MaterialsCr14CrE5
    Orientation[100] or [110]±0.5°[100] or [110]±0.5°
    Mass Density3.10 g/cm32.95 g/cm3
    Mohs Hardness8.58.5
    Young’s Modulus57.6 GPa57.6 GPa
    Tensile Strength2 GPa2 GPa
    Melting Point1970°C1970°C
    Thermal Conductivity0.70.8
    Specific Heat/(Jg-1K-1)0.590.59
    Thermal Shock Resistance Parameter800 W/m800 W/m
    Thermal Coeff. of Optical Path Length (10-7 /C)(20~100C)3.6
    Coeff.of Linear Thermal Expansion (10-7 /K) (20~100℃)10380.5
    Coeff.of Linear Thermal Expansion (10-7 /K) (100~300℃)12787
    Softening Temp. (C)493519
    Transformation Temp. (C)455476
    Chemical Durability (weigh loss rate at 100C distilled water) (g/hr.cm2 )103
    dn/dT (10-6 /C) (20~100C)-5.2-6.8
    Refractive Index @ 1535 nm1.531.533
    Refractive Index (d 589.3nm)1.5391.541
    Abbe Value6463.6

    Optical Properties
    Optical Density0.1 to 0.8
    Fluorescence Lifetime7.7-8.2 ms
    Concentrations0.5 mol % ~ 3 mol %
    Emission Wavelength1535 nm
    Absorption Coefficient1.0 cm-1 ~ 7 cm-1
    Emission State Absorption Cross Section0.75×10-20 cm2@1535nm
    Transmission10% to 90%
    CoatingsAR≤ 0.2% @1535nm
    Damage Threshold:> 500 MW / cm2

    Absorption and Emission Spectrum
    Polishing Specification
    Orientation Tolerance< 0.5°
    Thickness/Diameter Tolerance±0.05 mm
    Surface Flatness</8@632 nm
    Wavefront Distortion</4@632 nm
    Surface Quality10-5(MIL-O-13830A)
    Parallel10
    Perpendicular15
    Clear Aperture>90%
    Chamfer<0.1×45°
    Maximum Dimensionsdia (3-12.7)×(3-150)mm2

    Feature


    • High laser efficiency
    • Low laser threshold
    • Safe for human eye
    • High light conversion
    • Lidar
    • Range measurements
    • Fiber-optic communication
    • Laser surgery
    Quality Er Cr Yb Glass 2 GPa Tensile Strength 1535 Nm Emission Wavelength	 8.5 Mohs Hardness for sale
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