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LiF Lithium Flouride Crystals Excellent Transmittance In VUV Region For Prisms Lenses

    Buy cheap LiF Lithium Flouride Crystals Excellent Transmittance In  VUV Region For Prisms Lenses from wholesalers
     
    Buy cheap LiF Lithium Flouride Crystals Excellent Transmittance In  VUV Region For Prisms Lenses from wholesalers
    • Buy cheap LiF Lithium Flouride Crystals Excellent Transmittance In  VUV Region For Prisms Lenses from wholesalers
    • Buy cheap LiF Lithium Flouride Crystals Excellent Transmittance In  VUV Region For Prisms Lenses from wholesalers
    • Buy cheap LiF Lithium Flouride Crystals Excellent Transmittance In  VUV Region For Prisms Lenses from wholesalers

    LiF Lithium Flouride Crystals Excellent Transmittance In VUV Region For Prisms Lenses

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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-LiF Crystal
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    LiF Lithium Flouride Crystals Excellent Transmittance In VUV Region For Prisms Lenses

    Product Details

    Description

    LiF (Lithium Flouride) crystals shows excellent transmittance in the VUV region. It is used for windows, prisms, and lenses in the visible and infrared in 0.104 m - 7 m. LiF crystalis sensitive to thermal shock and would be attacked by atmospheric moisture at 400°C. In addition irradiation produces color centers.

    Modest precautions should be taken against moisture and high energy radiation damage. Besides LiF is softens at 600°C and is slightly plastic that can be bent into radius plates. The material can be cleaved along (100) and less commonly (110). Although the optical characteristics are good the structure is not perfect and cleavage is difficult.

    High quality LiF is usually grown by modified Bridgman technique.

    Lithium Flouride shows good optical properites. It can be used for windows, prisms and lenses in the vacuum UV,visibel and infrared. Because of its paricular lattice structure, LiF can also be used as X-ray diffraction devices.


    Features:

    1. Excellent Transmission from 110nm to 7m;

    2. Optically isotropic, middle hard;

    3. Hygroscopic, unsolvable in water;

    4. Sensitive to thermal shock,Cleaved along (100);

    Specification

    Physical Properties

    Crystal type

    cubic

    Lattice constant,

    a=4.026

    Density, g/cm3

    2.64

    Melting point,℃

    870

    Refractive index @ 1.0m

    n=1.387

    Transmission range, m

    0.12-6

    Specifications for LiF windows

    Spectal range

    UV, VIS, IR

    Surface quality

    60-40 S & D

    Clear aperture

    90% of the diameter

    diameter tolerance

    +0, -0.1 mm

    Thickness tolerance

    ±0.1

    Surface flatness

    /4 @ 633 nm

    parallelism

    <3 arcmin

    Polishing Specification for Optical GradeⅠ

    Orientation Tolerence

    < 1°

    Thickness/Diameter Tolerance

    ±0.10 mm

    Surface Flatness

    <(-2)@632nm

    Wavefront Distortion

    <(2-4)@632nm

    Surface Quality

    80/50

    Parallel

    10

    Perpendicular

    60

    Clear Aperture

    >90%

    Chammfer

    <0.2×45°

    Polishing Specification for Optical Grade Ⅱ

    Orientation Tolerence

    < 0.5°

    Thickness/Diameter Tolerance

    ±0.10 mm

    Surface Flatness

    <(/2-/4)@632nm

    Wavefront Distortion

    <(1-2)@632nm

    Surface Quality

    60/40

    Parallel

    1

    Perpendicular

    30

    Clear Aperture

    >90%

    Chammfer

    <0.2×45°

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