Co Spinel Crystals

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Product Details

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1.Initial Transmission(30%~99%)

2.Damage Threshold >500MW/cm2

3.AR/HR Coating


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1.54  micron eye-safe wavelength laser used to

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   ●Mid pulse energy (1~2mJ) low repetition rate (1~5Hz) laser
   ●High pulse energy (8~12mJ) low repetition rate (1-5Hz) laser
   High repetition rate (>1KHz) laser


Other applications:

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LIDAR


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Laser-induced breakdown spectroscopy (LIBS)


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Laser Range Finder (LRF)


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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 from 0.3 to 3.5cm-1

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Co(2+) concentration increased by post-annealing process,high Q-switch efficiency

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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 

(1000grade)


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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: >10/5           

Flatness: <λ/8@632nm

》More information about Polishing


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LIDT value was verified by foreign third-part company
LIDT>25J/cm2@1535nm,5ns

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     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 formulaCo2+:MgAl2O4
Crystal structureCubic
Lattice parameters8.07Å
Density3.62 g/cm3
Melting Point2105°C
Refractive Indexn=1.6948 @1.54 μm
Thermal Conductivity/(W·cm-1·K-1@25°C)0.033W
Thermal Expansion /(10-6 /°C@25°C )1.046
Specific Heat/ (J·g-1·K-1)5.9
Hardness (Mohs)8.2
Extinction Ratio25dB
Orientation[100] or [111] < ±0.5°
Optical density0.1-0.9
Damage Threshold>500 MW/cm2
Doping concentration of Co2+0.01-0.3 atm%

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PropertyValue
Concentrations(0.05~0.35) wt%
Absorption coefficient0 ~ 7 cm-1
Ground-state absorption cross-section
GSA(E-19 cm2)

2.8(±0.4)@1340nm

Excited state absorption cross-section
ESA(E-20 cm2)
2.0(±0.6)@1340nm
Ground-state absorption cross-section
GSA(E-20 cm2)
3.5(±0.4)@1540nm
Excited state absorption cross-section
ESA(E-20 cm2)
1.0(±0.6)@1540nm
Working wavelength1200 – 1600 nm
End ConfigurationFlat/Flat
Figure of Merit(FOM)100~300
CoatingsAR/AR@1540,R<0.2%;
AR/AR@1340,R<0.2%

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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)

》More information about Service



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