Yb CaF2 Crystals

Yb CaF2 Crystals
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Product Details

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•  Low quantum defect

•  High damage threshold, good thermal conductivity

•  Long fluorescence lifetime

•  Low dispersion behavior

•  Broad absorption bandwidth

•  Limited nonlinear effects under intense laser irradiation

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Femtosecond laser

This family of industrial femtosecond lasers is ideal for ultra-fine processing of materials with little or no heat affected zone (HAZ). Target materials for these lasers include glass, OLED, IC packages/wafers, and flexible thin films.






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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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Yb3+concentration increased by post-annealing process,high absorption coefficient

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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

Advance CMP process, Ra<0.4nm          

Surface quality: >10/5           

Flatness: <λ/8@632 nm


》More information about Polishing

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ZPCL1H3%D0QF71F_F5AW5GM.png       Customized coating service 

      AR&le; 0.2% 

     @1030+940nm

》More information about Coating

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Property
Value
Chemical formulaYb3+:CaF2
Crystal structurecubic
Lattice parameters,Å 5.462
Orientation
[111]or[100]<±0.5°
Mass density3.18g/cm3
Mohs hardness
4
Young's modulus
146GPa
Tensile strength2GPa
Melting point
1418°C
Thermal conductivity9.71
Specific Heat/(J·g-1·K-1)
0.8876
Thermal Expansion/(10-6/°C@25°C)
(16.5...19.4)
Thermal shock resistance parameter
800W/m
Refractive Index@1064nm
1.2996

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Property
Value
Optical Density
0.1 to 0.8
Fluorescence lifetime
2.4ms
Concentrations
0.5 mol % ~30 mol %
Emission wavelength
1015nm ~ 1060 nm
Absorption Coefficient
1.0cm-1~7 cm-1
Ground state absorption cross section

0.8x10-20cm2

Emission state absorption cross section2.2x10-20cm2
Transmission
10% to 90%
CoatingsAR≤0.2%@1030nm
Damage Threshold
>500MW/cm2

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PropertyValue
Orientation Tolerence
<0.5°
Thickness/Diameter Tolerance
±0.05mm
Surface Flatness
<λ/8@632nm
Wavefront Distortion
<λ/8@632nm
Surface Quality
10/5
Parallel
10''
Perpendicular
15'
Clear Aperture
>90%
Chamfer
<0.1x45°
Maximum dimensions
2*2-15*15mmx20mm

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


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                                                                Absorption Spectrum of Yb3+:CaF2 crystal

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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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