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Yb CaF2 Laser Crystals

    Buy cheap Yb CaF2 Laser Crystals from wholesalers
     
    Buy cheap Yb CaF2 Laser Crystals from wholesalers
    • Buy cheap Yb CaF2 Laser Crystals from wholesalers

    Yb CaF2 Laser Crystals

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    Brand Name : CRYLINK
    Certification : Iso9001
    Price : negotiation
    Delivery Time : 3-4 weeks
    Payment Terms : TT
    Supply Ability : 100 pieces /month
    Model Number : CRYLINK-Yb CaF2 Crystal
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    Yb CaF2 Laser Crystals

    Description

    Due to the toughness and the flexible and cheap production process, CaF2 has been used in many substrate materials for laser crystals. As an amplifying ion, Yb3+ also allows a three-level laser scheme, leading to low quantum defects and a significantly longer fluorescence lifetime. Yb3+:CaF2 can also provide a high optical efficiency and high output powers due to the reduced thermal load. Recently, ytterbium-doped alkaline-earth fluoride is mostly used in diode-pumped femtosecond laser and amplifiers. Alkaline-earth fluorides which can be easily grown by using the standard Czochralski or Bridgman technique show a great potential in the wide transmission range, high damage threshold and low dispersion behavior.


    Features

    • Low quantum defect
    • High damage threshold, good thermal conductivity
    • Long fluorescence lifetime
    • Low dispersion behavior
    • Broad absorption bandwidth
    • Limited nonlinear effects under intense laser irradiation

    Applications

    • High power ultrafast thin-disk oscillators
    • Passively mode-locked oscillators
    • Solid state tunable laser

    Chemical and physical properties

    Property

    Value

    Chemicalformula

    Yb3+:CaF2

    Crystalstructure

    cubic

    Latticeparameters,

    5.462

    Orientation

    [111] or [100] < ±0.5°

    Massdensity

    3.18 g/cm3

    Mohshardness

    4

    Young'smodulus

    146GPa

    Tensilestrength

    2GPa

    Meltingpoint

    1418°C

    Thermalconductivity

    9.71

    SpecificHeat/ (Jg-1K-1)

    0.8876

    ThermalExpansion /(10-6/°C@25°C

    (16.5...19.4)

    Thermalshock resistance parameter

    800W/m

    Refractive Index @ 1064 nm

    1.2996

    Optical properties

    Property

    Value

    Optical Density

    0.1 to 0.8

    Fluorescencelifetime

    2.4ms

    Concentrations

    0.5mol % ~ 30 mol %

    Emissionwavelength

    1015nm ~ 1060 nm

    AbsorptionCoefficient

    1.0cm-17 cm-1

    Ground state absorption cross section

    0.8x10-20 cm2

    Emission state absorption cross section:

    2.2x10-20 cm2

    Transmission

    10% to 90%

    Coatings

    AR0.2% @1030nm

    Damage Threshold:

    > 500 MW / cm2

    Polishing Specification

    Property

    Value

    OrientationTolerence

    <0.5°

    Thickness/DiameterTolerance

    ±0.05mm

    Surface Flatness

    </8@632nm

    Wavefront Distortion

    </8@632nm

    Surface Quality

    10/5

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