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BBO Crystal

BBO Crystal

β-Barium borate (β-BaB2O4 or BBO) is a nonlinear optical crystal which has been widely used in non-linear optical applications like OPO, OPA, OPCPA and other. Due to its large spectral transmission range as well as phase matching, BBO crystals have been applied in second, third, fourth or fifth harmonic generations for high power visible/UV sources and optical parametric conversions for high power broadly tunable sources. Since its broad gain bandwidth overlaps with Ti:Sapphire in 800 nm range, ultra-high power and high contrast laser systems have been built based on the mixed CPA/OPCPA plan.

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Product Details

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  1. Wide transmission region from 190 nm to 3500nm

  2. Large effective second-harmonic-generation(SHG)coefficient

  3. Broad phase-matching range from 409.6 nm to 3500nm

  4. Wide temperature-bandwidth of about 55℃

  5. High damage threshold of 10 J/cm2 for 100 ps pulse-width at 1064 nm

  6. High optical homogeneity with δn≈10-6/cm   

  7. Good mechanical and physical properties

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   Related image

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                             Electro-optic crystal for Pockels cells                              Harmonic generations (up to fifth) of Nd doped lasers


                    Related image             QQ图片20180621154928.png

                   Frequency doubling and tripling of ultrashort                                         Frequency doubling of Argon ion                                                                 Ti:Sapphire and Dye lasers                                              and Copper vapour laser  radiation

》More information about BBO 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


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②


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③


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 α<1%cm @1064nm

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BaO-B2O3 concentration increased by post-annealing process

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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 boundary in crystals

》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


Surface Flatness: <λ/8@632nm

Surface Quality: 10/5

》More information about Polishing


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ZPCL1H3%D0QF71F_F5AW5GM.png       Customized coating service 

     S1,S2:AR/AR@1535-1540nm

     S1,AR@1535-1540nm,HR@940-980nm

     S1,AR@1535-1540nm

》More information about Coating


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PropertyValue
Chemical formula BaB2O4
Crystal structuretrigonal, 3m
Lattice Parametera=b=12.532Å,c=12.717Å, Z=6
Mass density3.85 g/cm3
Moh hardness4
Melting pointAbout 1095°C
Thermal conductivity1.2 W/m/K (⊥c); 1.6 W/m/K (//c)
Thermal expansion coefficient α,4x10-6/K; c,36x10-6/K
Birefringencenegative uniaxial

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PropertyValue
Transparency Range189 - 3500 nm
Absorption Coefficientα<0.1%/cm @1064nm

Refractive Indices

at 1.0642 μm

at 0.5321 μm

at 0.2660 μm


ne = 1.5425, no = 1.6551

ne = 1.5555, no = 1.6749

ne = 1.6146, no = 1.7571
Sellmeier Equations(λ in μm)

no2(λ) = 2.7359+0.01878/(λ2-0.01822)-0.01354λ2

ne2(λ) = 2.3753+0.01224/(λ2-0.01667)-0.01516λ2

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Property
Value
SHG Phase Matchable Range409.6 ∼ 3500nm (Type I); 525 ∼ 3500nm (TypeII)
NLO coefficients

d11= 5.8 x d36(KDP); d31 = 0.05 x d11; d22< 0.05 x d11

deff(I)=d31sinϴ + (d11cos3φ - d22sin3φ)cosϴ

deff(II)=(d11sin3φ+ d22cos3ϴ)cos2ϴ
Therm-Optic Coefficients

dno/dT = - 9.3 x 10-6/◦C

dne/dT = -16.6 x 10-6/◦C
Electro-Optic Coefficientsg11= 2.7 pm/V, g22, g31< 0.1 g11
Half-Wave Voltage48 KV (at 1064 nm)

Damage Threshold

at 1.064 μm

at 0.532 μm 


5 GW/cm2 (10 ns); 10 GW/cm2 (1.3 ns)

1 GW/cm2 (10 ns); 7 GW/cm2 (250 ps)

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PropertyValue
Orientation Tolerence< 0.5°
Thickness/Diameter Tolerance±0.05 mm
Surface Flatness<λ/8@632 nm
Wavefront Distortion<λ/4@632 nm
Surface Quality10/5
Parallel30〞
Perpendicular15ˊ
Clear Aperture>90%
Chamfer<0.2×45°

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Crystal

Length/mmApplicationOrientationPP Coatings S1/S2 nm/nm
dimension/mm

Theta/Phi deg










6 x 6

1
SHG@800nm29.2/90400 - 800 / 400 - 800
1
THG@800nm44.3/90400 - 800 / 266
0.2SHG@800nm29.2/90400 - 800 / 400 - 800
0.5SHG@800nm29.2/90400 - 800 / 400 - 800
0.5THG@800nm44.3/90400 - 800 / 266
1.5SHG@1030nm23.4/90515-1030 / 515 - 1030
0.1THG@800nm44.3/90400 - 800 / 266
2SHG@800nm29.2/90400 - 800 / 400 - 800
0.5SHG@1030nm23.4/90515-1030 / 515 - 1030
1SHG@1030nm23.4/90515-1030 / 515 - 1030
2SHG@1030nm23.4/90515-1030 / 515 - 1030
0.1SHG@800nm29.2/90400 - 800 / 400 - 800
0.2THG@800nm44.3/90400 - 800 / 266


10 x 10

0.5SHG@800nm29.2/90400 - 800 / 400 - 800
1SHG@800nm29.2/90400 - 800 / 400 - 800
0.2SHG@800nm29.2/90400 - 800 / 400 - 800



8 x 8

0.5SHG@1030nm23.4/90515-1030 / 515 - 1030
1SHG@1030nm23.4/90515-1030 / 515 - 1030
1.5SHG@1030nm23.4/90515-1030 / 515 - 1030
2SHG@1030nm23.4/90515-1030 / 515 - 1030


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OPO tuning curves of BBO (TypeII (eoe))with different pump light, namely 530 nm, 355 nm and 266 nmbbo-1.jpgbbo-4.jpg

                                                                                          OPO tuning curves of BBO (TypeII (eoe))with different pump light


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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.




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

Hot Tags: bbo crystal manufacturers,non-linear,frequency doubler, suppliers, buy, price,Beta-Barium Borate,SHG
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