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Yb CaF2 Laser Materials - Long Fluorescence Lifetime Low Dispersion Behavior

Nanjing Crylink Photonics Co.,Ltd
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    Buy cheap Yb CaF2 Laser Materials - Long Fluorescence Lifetime Low Dispersion Behavior from wholesalers
     
    Buy cheap Yb CaF2 Laser Materials - Long Fluorescence Lifetime Low Dispersion Behavior from wholesalers
    • Buy cheap Yb CaF2 Laser Materials - Long Fluorescence Lifetime Low Dispersion Behavior from wholesalers

    Yb CaF2 Laser Materials - Long Fluorescence Lifetime Low Dispersion Behavior

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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 Laser Crystal
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    Yb CaF2 Laser Materials - Long Fluorescence Lifetime Low Dispersion Behavior

    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

    Chemical formula

    Yb3+:CaF2

    Crystal structure

    cubic

    Lattice parameters,

    5.462

    Orientation

    [111] or [100] < ±0.5°

    Mass density

    3.18 g/cm3

    Mohs hardness

    4

    Young's modulus

    146 GPa

    Tensile strength

    2 GPa

    Melting point

    1418°C

    Thermal conductivity

    9.71

    Specific Heat/ (Jg-1K-1)

    0.8876

    Thermal Expansion /(10-6/°C @25°C)

    (16.5...19.4)

    Thermal shock resistance parameter

    800 W/m

    Refractive Index @ 1064 nm

    1.2996


    Optical properties

    Property

    Value

    Optical Density

    0.1 to 0.8

    Fluorescence lifetime

    2.4ms

    Concentrations

    0.5 mol % ~ 30 mol %

    Emission wavelength

    1015 nm ~ 1060 nm

    Absorption Coefficient

    1.0 cm-1 ~ 7 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

    AR≤ 0.2% @1030nm

    Damage Threshold:

    > 500 MW / cm2


    Polishing Specification

    Property

    Value

    Orientation Tolerence

    < 0.5°

    Thickness/Diameter Tolerance

    ±0.05 mm

    Surface Flatness

    </8 @632 nm

    Wavefront Distortion

    </8 @632 nm

    Surface Quality

    10/5

    Parallel

    10

    Perpendicular

    15

    Clear Aperture

    >90%

    Chamfer

    <0.1×45°

    Maximum dimensions

    2*2-15*15 mm×20mm


    Standard products

    Material

    Dimensionsmm

    Coatings

    Yb(5%):CaF2

    dia 5

    AR&le; 0.2% @1030+940nm

    3x3

    6x6

    Product Tags:

    nd yag laser rod

      

    laser material

      
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