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LiNbO3 is
widely used as electro-optic modulators and Q-switches for Nd:YAG, Nd:YLF and
Ti:Sapphire lasers as well as modulators for fiber optics.
Shipping Port:
Fuzhou, ChinaLead Time:
3-4weeks
Descriptions:
Lithium niobate (LiNbO3, LN) is a multi-purpose material in photonics and optoelectronics fields. It features excellent nonlinear, electro-optic, and piezoelectric properties. it is widely used as electro-optic modulators and Q-switches for Nd:YAG, Nd:YLF and Ti:Sapphire lasers as well as modulators for fiber optics.
Main applications:
1） Electro-optic modulation and Q-switching
2） Optical parametric oscillators (OPO) pumped at 1064 nm
3） Quasi-phase-matched devices with periodically poled lithium niobate (PPLN)
Advantages:
1) Broad transparency region from 420 nm to 5200 nm
2) High nonlinear, electro-optic and acousto-optic coefficients
3) Nonhygroscopic, mechanically, and chemically stable
Nonlinear properties of LiNBO3 crystal
|
NLO Coefficients |
d33 = 34.4 pm/V |
|
Effective NLO coefficients |
deff =5.7 pm/V for frequency doubling 1300
nm; |
|
Electro-Optic Coefficients |
γT33 = 32 pm/V, γs33 = 31 pm/V, |
|
Photorefractive Damage Threshold |
50 MW/cm2 (10 ns, 1064 nm) |
|
Surface Damage Threshold |
300 MW/cm2 (10 ns, 1064 nm) |
Physical properties of LiNBO3 crystal
|
Chemical Formula |
LiNbO3 |
|
Lattice Constant,A |
a=b=5.148 Å, c=13.863 Å |
|
Melting Point |
1250℃ |
|
Density |
4.64g/cm3 |
|
Curie Temperature |
~ 1140℃ |
|
Mohs Hardness |
5 |
|
Thermal Expansion |
a11 =15.4×10-6/K a33 =7.5×10-6/K |
|
Thermal Conductivity, W/(m K) at 300 K |
5.6 |
|
Refractive Indices |
n0 =2.286 ne =2.203 @632.8nm |
|
Nonlinear Optical Coefficients, p/m/V at 1064 nm |
d31 = -4.5 d33 = -0.27 d22 = 2.1 |
|
Electro-Optical Coefficients, pm/V at 633nm |
γT33 =31, γs 31=9, γs 22 =3.4 |
|
Transmittance Range Transmittance |
420~ 5200nm >68% @632.8nm |
|
The Sellmeier equations (λ: um) |
n02(λ)=4.9048+0.11768/(λ2-0.04750)-0.027169×λ2 ne2(λ)=4.5820+0.099169/(λ2-0.04443)-0.021950×λ2 |
HGO offers LiNBO3 specifications:
|
Tolerance of cutting angle |
△θ≤±0.25°,△φ≤±0.25° |
|
Tolerance of dimension |
Dimension+0/-0.1 mm，L：±0.1mm |
|
Flatness |
λ/10 @ 632.8nm |
|
Wavefront distortion |
λ/8@ 632.8nm |
|
Surface quality |
10/5 per MIL-O-13830A |
|
Parallelism |
20″ |
|
Perpendicularity |
5′ |
|
Clear Aperture: |
> 90% |
|
Chamfer: |
< 0.1 mm @ 45° |
|
Size |
Upon customer request |
|
Coating |
AR/HR coating upon customer’s request |
|
Electrodes |
Gold/Chrome plated on X-faces |
|
Damage Threshold |
750MW/CM2 at 1064nm, TEM00, 10ns, 10Hz |
|
Quality Warranty Period |
One year under proper use |
Why Choose HGO ?
HGO offers both pure Lithium niobate(LiNbO3, LN) and 5%MgO doped Lithium niobate (LiNbO3, LN) crystals for Q-switch with transverse E-O modulation,second harmonic generation (SHG), sum frequency generation (SFG), different frequency generation (DFG),or optical parametric generation (OPA). High quality of LN with 1/10 wave front distortion can be supplied by HGO.
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