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LiNbO3

LiNbO3

Lithium niobate–(LN, LiNbO3) crystals are an important material for optical waveguides, mobile phones, piezoe- lectric sensors, optical modulators and various other linear and non-linear optical applications. Many technologies are based on this material which has unique piezo-electric.

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Product Details

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1.wide transparency range

2.low damage threshold

3.Low absorption loss

4.low damage threshold


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Electro-optic modulator used to

image.png  ●Optical fiber coherent communication system 

   ●Fiber optical cable TV system
   ●Photon time delay device

   ●Lightwave Component Analyzer


Other applications:

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optical parametric oscillators


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 optical switches


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mobile telephones 

》More information about LiNbO3: Wikipedia


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Low bulk absorption

High Purity raw materials >99.999%

Low bulk absorption

Advanced raw material pre-sintering process

Advanced raw material pre-sintering process

No poly-crystalline defects


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① Full automatic controlled crystal growth furnace High yield

② Advanced CZ Method Crystalline Process Stable quality control

③ Systematic batch packing classification

》More information about Equipments


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Maximum boule size >dia50mm

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Absorption coefficient < 0.1 %/cm @ 1064 nm

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Li1+ concentration increased by post-annealing process,high Laser gain effect

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High doping concentration gradient homogeneity , typical value<0.02cm-1/inch

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No bubbles, scatering point and inclusions in crystals

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No grain bound


》More information about Crystal Growth


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High level dust-free clean room 

(1000) grade)


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2-sides polishing equipments


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AFM


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Interferometer

Advance CMP process, Ra<0.4nm                                                                      

Surface quality: >20 /10                                               

Flatness:< λ/8@632nm                                                 

》More information about Polishing


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ZPCL1H3%D0QF71F_F5AW5GM.png       Customized coating service 

    S1:AR @1064/532  R < 0.2%@ 0.532 nmR < 0.5% 

    S2:AR @1064/532  R < 0.2%@0.532 nmR < 0.5% 

》More information about Coating


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Crystal structuretrigonal
Space groupR3C
Density4.64 g/cm3
Mohs hardness5
Optical homogeneity~ 5 x 10-5 / cm
Transparency range420 - 5200 nm
Absorption coefficient~ 0.1 % / cm @ 1064 nm



Refractive indices at 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 equations (λ, μm)

no2 = 4.9048 + 0.11768 / (λ2 - 0.04750) - 0.027169λ2
ne2 = 4.5820 + 0.099169 / (λ2 - 0.04443) - 0.021950λ2


Thermal expansion coefficient@ 25 °C

//a, 2.0 x 10-6 / K
//c, 16.7 x 10-6 / K
Thermal conductivity~ 5 W/m/K @ 25 °C


Thermal optical coefficient

dno/dT = -0.874 x 10-6 / K at 1.4 μm
dne/dT = 39.073 x 10-6 / K at 1.4 μm

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NLO Coefficients

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




Efficiency NLO Coefficients

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 at 1064 nm
deff =17.6 pm/V or ~45 x d36 (KDP) for quasi-phase-matched structure



Electro-Optic Coefficients

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



3.03 KV; 4.02 KV

Electrical field||z, light ^z:
Electrical field||x or y, light||z
Damage Threshold100 MW/cm2 (10 ns, 1064nm)

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Transmitted wavefront distortionbetter than λ/4 @ 633nm
Dimension tolerance(W±0.1mm) x (H±0.1mm) x (L±0.2mm)
Clear apertureover 90% central diameter
Flatnessλ/8 @ 633nm
Surface quality20 /10 Scratch/Dig
Parallelismbetter than 20 arc sec
Perpendicularity5 arc min
Angle toleranceDq < 0.5o, Df < 0.5o


AR-coating

dual wave band AR coating at 1064/532 nm
on both surfaces, with R < 0.2% at 1064 nm
and R < 0.5% at 0.532 nm per surface

send inquiry.png If you want to get more information send us you message


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History: 

Metalaser has engaged in crystal industry over 20 years which is one section of Shanghai Daheng Optics and Fine Mechanics Co., Ltd held by SIOM. 

Team:     

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More than 60% of our employees are physics or material scientists from NIALT and SIOM.





》More information about our company

Alibaba Transaction History:

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We have set up a mall on the Alibaba, and there are many transaction record from all over the world.    

》Our Alibaba trade website

           

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Delivery in 3~4weeks

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Free samples can be provided

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Free ex change goods or sales return for once 

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Provides re-polished and coating

services (Coating damage only)

Note:Postage paid by the buyer

》More information about Service



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