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Factory wholesale Passive Q-Switch Crystal - LiNbO3 Crystal – WISOPTIC

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Factory wholesale Passive Q-Switch Crystal - LiNbO3 Crystal – WISOPTIC Detail:

LiNbO3 (Lithium Niobate) crystal is a multifunctional material that integrates properties of piezoelectric, ferroelectric, pyroelectric, nonlinear, electro-optical, photoelastic, etc. LiNbO3 has good thermal stability and chemical stability.

As one of the most thoroughly characterized nonlinear optical materials, LiNbO3 is suitable for a variety of frequency conversion applications. For example, it is widely used as frequency doublers for wavelength >1 μm and optical parametric oscillators (OPOs) pumped at 1064 nm as well as quasi-phase-matched (QPM) devices. Due to its large E-O and A-O coefficients, LiNbO3 crystal is also commonly used for phase modulators, waveguide substrate, surface acoustic wave wafers, and Q-switching of Nd:YAG, Nd:YLF and Ti-Sapphire lasers.

LiNbO3 can be doped with a variety of elements, such as Er, Pr, Mg, Fe, etc., which give the material unique properties. For example, the damage threshold of MgO: LiNbO3 is more than double that of pure LiNbO3.

Contact us for the best solution for your application of LiNbO3 crystals.

WISOPTIC Capabilities -LiNbO3

• Various sizes of finished components for different applications.

• Strict quality control

• Reliable delivery

• Very competitive price

• Technical support

WISOPTIC Standard Specifications* - LiNbO3

Dimension Tolerance ± 0.1 mm
Angle Tolerance ± 0.5°
Flatness < λ/8 @ 632.8 nm
Surface Quality < 20/10 [S/D]
Parallelism < 20”
Perpendicularity ≤ 5′
Chamfer ≤ 0.2mm @ 45°
Transmitted Wavefront Distortion < λ/4 @ 632.8 nm
Clear Aperture > 90% central area
Coating AR coating: R < 0.2% @ 1064 nm, R < 0.5% @ 532 nm
* Products with special requirement upon request.

LN-2
LN-3

DOWNLOAD Technical Data – LiNbO3

Advantages of MgO:LiNbO3 compared with LiNbO3

• Higher frequency doubling (SHG) efficiency for pulsed Nd:YAG (65%) and CW Nd:YAG (45%)

• Higher performance in applications of OPO, OPA, QPM doublers and integrated waveguide

• Much higher photorefractive damage threshold

Primary Applications – LiNbO3

• Frequency doublers for wavelength >1 μm

• Optical parametric oscillators (OPO) pumped at 1064 nm

• Quasi-phase-matched (QPM) devices

• Q-switches (for Nd:YAG, Nd:YLF and Ti-Sapphire lasers )

• Phase modulators, waveguide substrate, surface acoustic wave wafers

Physical Properties – LiNbO3

Chemical formula LiNbO3
Crystal structure Trigonal
Point group 3m
Space group R3c
Lattice constants a=5.148 Å, c=13.863 Å, Z = 6
Density 4.628 g/cm3
Melting point 1255 °C
Curie temperature 1140 °C
Mohs hardness 5
Thermal conductivity 38 W/(m·K) @ 25°C
Thermal expansion coefficients 2.0×10-6/K (//a), 2.2×10-6/K (//c)
Hygroscopicity Non-hygroscopic

Optical Properties – LiNbO3

Transparency region
(at “0” transmittance level)
400-5500 nm
Refractive indices 1300 nm 1064 nm 632.8 nm

ne=2.146

no=2.220

ne=2.156

no=2.232

ne=2.203

no=2.286

Thermal optic coefficients dno/dT=-0.874×10-6/K @ 1.4 μm
dne/dT=39.073×10-6/K @ 1.4 μm

Linear absorption coefficients

326 nm

1064 nm

α = 2.0 /cm α = 0.001~0.004 /cm

NLO coefficients

d33 = 34.4 pm/V, d22 = 3.07 pm/V,
d31 = d15 = 5.95 pm/V

Electro-optic coefficients γT33=32 pm/V, γS33=31 pm/V, γT31=10 pm/V,
γS31=8.6 pm/V, γT22=6.8 pm/V, γS22= 3.4 pm/V
Half-wave voltage (DC) Electrical field // z, light ⊥ z 3.03 kV
Electrical field // x or y, light // z 4.02 kV
Damage threshold 100 MW/cm2 @ 1064nm, 10 ns

Product detail pictures:

Factory wholesale Passive Q-Switch Crystal - LiNbO3 Crystal – WISOPTIC detail pictures

Factory wholesale Passive Q-Switch Crystal - LiNbO3 Crystal – WISOPTIC detail pictures

Factory wholesale Passive Q-Switch Crystal - LiNbO3 Crystal – WISOPTIC detail pictures


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We have been experienced manufacturer. Wining the majority of the crucial certifications of its market for Factory wholesale Passive Q-Switch Crystal - LiNbO3 Crystal – WISOPTIC, The product will supply to all over the world, such as: Puerto Rico, Argentina, US, To work with an excellent items manufacturer, our company is your best choice. Warmly welcome you and opening up the boundaries of communication. We are the ideal partner of your business development and look forward to your sincere cooperation.
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