LiNbO3 (Lithium Niobate) – Nonlinear Crystal – Customized Products

Product ID: 6662

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LiNbO3 (Lithium Niobate) – Nonlinear Crystal – Customized Products

LiNbO3 (Lithium Niobate) crystals are negative uniaxial crystals with a space group of R3c (C9) and a transmission range of 400~5000 nm. They also have the advantages of large effective nonlinear coefficients, easy growth, low price, stable physical and chemical properties, and are not susceptible to deliquescence. They are widely used as dual-frequency lasers with wavelengths greater than 1 mm and 1064 nm optical parametric oscillator (OPOs) pumps as well as quasi-phase-matching (QPM) devices.

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$100 is a deposit, not the final price of the product. Please contact us for price if needed.

Features

Small volume
Not susceptible to deliquescence
High temperature stability
Large electro-optical coefficient
Wide range of transparency
High electro-optical efficiency
Low absorption loss
Low damage threshold
Easy to grow into large crystals
Stable mechanical and chemical properties

Physical and Optical Properties

Chemical Formula LiNbO3
Crystal Structure Trigonal
Space Group R3C
Density 4.64 g/cm3
Mohs Hardness 5
Optical Uniformity ~ 5 x 10-5 / cm
Transparency range 420 – 5200 nm
Absorption Coefficient ~ 0.1 % / cm @ 1064 nm
Refractive Index @1064 nm ne = 2.146, no = 2.220 @ 1300 nm
ne = 2.156, no = 2.232 @ 1064 nm
ne = 2.203, no = 2.286 @ 632.8 nm
Sellmeier Equation（λ，μm） no2 = 4.9048 + 0.11768 / (λ2 – 0.04750) – 0.027169λ2
ne2 = 4.5820 + 0.099169 / (λ2 – 0.04443) – 0.021950λ2
Thermal Coefficient of Expansion @ 25°C //a, 2.0 x 10-6 / K
//c, 2.2 x 10-6 / K
Thermal Conductivity ~ 5 W/m/K @ 25 °C
Thermal-optical coefficient dno/dT = -0.874 x 10-6 / K @ 1.4 µm
dne/dT = 39.073 x 10-6 / K @ 1.4 µm

 

Nonlinear Optical Properties

NLO Coefficient d33 = 34.4 pm/V
d31 = d15 = 5.95 pm/V
d22 = 3.07 pm/V
Effective NLO Coefficient deff =5.7 pm/V or ~14.6 x d36 (KDP) for frequency doubling 1300 nm;
deff =5.3 pm/V or ~13.6 x d36 (KDP) for OPO pumped @ 1064 nm;
deff =17.6 pm/V or ~45 x d36 (KDP) for quasi-phase-matched structure.
Electro-optic Coefficient gT33 = 32 pm/V,  gS33 = 31 pm/V,
gT31 =10 pm/V,  gS31=8.6 pm/V,
gT22 = 6.8 pm/V, gS22= 3.4 pm/V,
Half-wave Voltage, DC
E|| z，Light⊥z： 3.03 KV
E|| x or y，Light|| z： 4.02 KV
Damage Threshold 100 MW/cm2 (10 ns, 1064nm)

 

LiNbO3 optical waveguide specifications

Operating Wavelength Range 1.525-1.605μm
Extinction Ratio ＜20dB
Half-wave Voltage ＜6V
DC Bias Voltage ＜8V
Input Characteristic Impedance 50Ω
Light Reflex ≤-50dB
Maximum Input Power 20dBm
Maximum Input Optical Power 10-100mW
Storage Temperature -40-85℃
Working Temperature -40-70℃

 

Spectra

TaorLab laser crystals

TaorLab laser crystals

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