YAG Optical Crystals

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Product Details


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1.Non-birefringence

2.Extremely hard and durable

3.High thermal conductivity

4.High bulk damage threshold

5.High index refractive

》More information about YAG 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 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 

(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,<λ/10

》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 formulaY3Al5O12
Crystal structureCubic
Lattice parameters11.9538A
Density4.55g/cm3
Melting Point1950℃
Refractive Index (λ=550nm)1.84
Thermal Conductivity/(W·cm-1·K-1@25°C)0.14
Thermal Expansion (10-6/℃)6.9
Specific Heat/ (J·g-1·K-1)590
Hardness (Mohs)8-8.5
Reflection loss16.7%@1.06um
Poisson ration/a
SolubilityInsoluble
Transmission range0.21-5.5

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                                                                                   Specifications I
Surface flatness<λ/8@632nm
Clear aperture>90%
Orentation tolerance<0.5°
Parallel30”
Perpendicular15’
Surface quality10/5 (Scratch/Dig)
Chamfer<0.2×45°
Wavefront distorsion<λ/4@632 nm
Thickness/Aperture tolerance±0.1 mm
                                                                                  Specifications II
Surface flatness<λ/10@632nm
Clear aperture>90%
Orentation tolerance<0.2°
Parallel10”
Perpendicular5’
Surface quality10/5 (Scratch/Dig)
Chamfer<0.2×45°
Wavefront distorsion<λ/8@632 nm
Thickness/Aperture tolerance±0.02 mm


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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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