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LiNbO3 EO Device Lithium Niobate Piezoelectric Effect Crystals

Categories Single Crystal Substrates
Brand Name: Crystro
Model Number: CR210206-01
Certification: SGS/COC
Place of Origin: China
MOQ: 1pc
Price: USD 20~200/pc
Payment Terms: T/T, Western Union, MoneyGram, Paypal
Supply Ability: 2000pcs per month
Delivery Time: 4-5 weeks
Packaging Details: Transparent clean box
Material: EO Device Crystal Lithium Niobate LINBO3 Crystals
Melting Point: 1253℃
Density: 4.64g/cm3
Transparency Range: 420-5200nm
Refractive Indices: ne=2.156, no=2.232@1064nm
Wedge Angle Tolerance: ±0.1°
Flatness: λ/4 @632.8nm
AR-Coating: R<0.2% @1550nm±40nm
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    LiNbO3 EO Device Lithium Niobate Piezoelectric Effect Crystals

    EO Device Crystal Lithium Niobate LINBO3 Crystals


    LiNbO3 (Lithium niobate, LN) crystal is a negative uniaxial crystal and one of the most thoroughly characterized optical materials. With its wide transparency range in the visible and mid-infradred and the excellent chemical and mechanical stability, LN crystal can be used as a bifrengent material for applications in infrared.

    With its large electro-optic coefficients, wide optical transparency window, and availability of high optical quality crystals, LN (lithium niobate) crystal is often the material of choice for optical modulation and Q-switch at near-infrared and infrared wavelengths. For electro-optic modulators (EOM) the crystal can be z-cut with zero residual birefringence along the direction of light propagation or x-cut with non-zero residual birefringence and the maximized effective electro-optic coefficient. For Q-switch the crystal is typically z-cut with zero residual birefringence and an electric field is applied transverse to the direction of light propagation. The piezoelectric ringing in LN is a disadvantage at high repetition frequency, but can be overcome to some extent with proper piezoelectrically damped designs.

    Basic Properties of LiNbO3

    Crystal StuructureTrigonal, Space group R3c, Point group 3m
    Melting Point1253℃
    Mohs Hardness5
    Density4.64g/cm3
    DeliquescenceNone
    Optical Homogeneity~5x10-5/cm
    Transparency Range420-5200nm
    Absorption Coefficient~0.1%/cm @1064nm
    Refractive Indices at 1064nmne=2.146, no=2.220@1300nm ne=2.156, no=2.232@1064nm ne=2.203, no=2.286@632.8nm
    Thermal Expansion Coefficients (at 25℃ )//a,2.0x10-6/K //a,2.2x10-6/K
    Thermal Conductivity Coefficients38 W/m/K at 25℃
    Thermal Optical Coefficientsdno/dT=-0.874 x 10-6/K at 1.4μm dne/dT=39.073 x 10-6/K at 1.4μm
    The Sellmeier Equations (λ in μm)no2=4.9048+0.11768/(λ2-0.04750)-0.027169λ2 ne2=4.5820+0.099169/(λ2-0.04443)-0.02195λ2

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