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BGO Bi12GeO20 Bismuth Germanate Crystals Strong Electro Optical Effects

    Buy cheap BGO Bi12GeO20 Bismuth Germanate Crystals Strong Electro Optical Effects from wholesalers
     
    Buy cheap BGO Bi12GeO20 Bismuth Germanate Crystals Strong Electro Optical Effects from wholesalers
    • Buy cheap BGO Bi12GeO20 Bismuth Germanate Crystals Strong Electro Optical Effects from wholesalers
    • Buy cheap BGO Bi12GeO20 Bismuth Germanate Crystals Strong Electro Optical Effects from wholesalers
    • Buy cheap BGO Bi12GeO20 Bismuth Germanate Crystals Strong Electro Optical Effects from wholesalers

    BGO Bi12GeO20 Bismuth Germanate Crystals Strong Electro Optical Effects

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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-BGO Bi12GeO20 Crystal
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    BGO Bi12GeO20 Bismuth Germanate Crystals Strong Electro Optical Effects

    Piezoelectric Crystals BGO(Bi12GeO20)

    Product Details

    Bismuth germanate (Bi12GeO20) has high electro-optic coefficients (3.3 pm/V for Bi12GeO20) making it useful in nonlinear optics for building Pockels cells, and can also be used forphotorefractive devices for ultraviolet range.
    The Bi12GeO20 crystals are piezoelectric, show strong electro-optical and acousto-optical effects, and find limited use in the field of crystal oscillators and SAW devices. Single crystal rods and fibers can be grown by floating zone process from a rod of mixture of bismuth oxide and germanium oxide.The crystals are transparent and brown colored.

    The crystals of BGO and similar compounds BSO (Bi12SiO20, bismuth silicon oxide, sillenite) and BTO (Bi12GeO20), are photorefractive and photoconductive. BGO and BSO crystals are efficient photoconductors with low dark conductivity. They can be used in electro-optical applications, like optical PROM, PRIZ spatial light modulators, realtime hologramrecording, correlators, and systems for adaptive correction of ultrashort laser pulses, and in fiber optic sensors for electric and magnetic fields. Waveguide structures allow uniform illumination over wide spectral range. Thin film sillenite structures, which can be deposited e.g. by sputtering, have wide range of potential applications. BSO crystals are used in optically addressed spatial light modulators and in liquid crystal light valves.The optical activity of BTO is much smaller than of BGO and BSO.Unlike somewhat similar performingperovskites, sillenites aren't ferroelectric.


    Specification

    Crystal

    Bi12SiO20 (BSO)

    Bi12GeO20 (BGO)

    Fe:LiNbO3

    Crystal Structure

    cubic, point group: 23

    cubic, point group: 23

    Trigonal, 3m

    Lattice(Cell) Parameters,

    10.1

    10.15

    -

    Transmission Range, m

    0.4-6

    0.4-7

    0.35 - 5.5

    Refractive Index at 0.63m

    2.54

    2.55

    2.20 (ne), 2.29 (no)

    Electro-Optic Coefficient r41, pm/V

    5

    3.5

    r22=6.8, r31=10, r33=32

    Optical Activity, deg/mm at 500 nm

    42

    41.5

    -

    - deg/mm at 600 nm

    25

    24

    -

    Density, g/cm3

    9.15

    9.2

    4.64

    Mohs Hardness

    5

    5

    5

    Melting Point, °C

    890

    920

    1255 (Tc=1140 )

    Dielectric Constant

    56

    40

    85 (e11) 30 (e33)

    Dark Resistance, Ohm cm

    1014

    1014

    -


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