Attività

1.High energy radiation
2.Sensitive to thermal shock
3.Wide transmission range
4.Low reflection loss
5.High temperature resistance

Infrared thermometer Positron emission tomography(PET)

Laser Doppler velocimetry(LDV) Vacuum Ultraviolet (VUV-UV) window
》More information about BaF2 Wikipedia
High Purity raw materials >99.999%
Low bulk absorptionAdvanced raw material pre-sintering process
No poly-crystalline defects
①
②
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
Maximum boule size >dia50mm
Absorption coefficient from 0.3 to 3.5cm-1
Co(2+) concentration increased by post-annealing process，high Q-switch efficiency
High doping concentration gradient homogeneity , typical value<0.02cm-1/inch
No bubbles, scatering point and inclusions in crystals
No grain boundary in crystals
》More information about Crystal Growth
High level dust-free clean room
(1000) grade)
2-sides polishing equipments
AFM
Interferometer
Advance CMP process, Ra<0.4nm
Conventional Highprecision
Surface quality: 40//20 Surface quality: 10//20
Flatness: λ/4@632nm Flatness: λ/8@632nm
》More information about Polishing
Customized coating service
S1,S2:AR/AR@1535-1540nm
S1,AR@1535-1540nm,HR@940-980nm
S1,AR@1535-1540nm
》More information about Coating
PropertyValue
Chemical formulaBaF2
Crystal structureCubic
Lattice parameters8.07Å
Density4.89g/cm3
Melting Point1386°C
Refractive Indexn=1.45@5 μm
Thermal Conductivity/(W·cm-1·K-1@13°C)11.72W
Thermal Expansion /（10-6 /°C@120°C ）18.1
Specific Heat/ (J·g-1·K-1)410
Hardness (Mohs)82
Extinction Ratio350dB
OrientationH cut (011)
Poission Ratio0.343
Transmission Range0.15-15um
Refractive Index1.45@5um
Reflective Loss7.7%@0.6um
Conventional
MaterialsBaF2
Orientation or ,95%
Chamfer<0.2×45°
Thickness/Diameter tolerance±0.1 mm
Maximum dimensionsDia200×50mm
Surface flatnessλ/4@632nm
Highp recision
MaterialsBaF2
Orientation or ,90%
Chamfer<0.2×45°
Thickness/Diameter tolerance±0.1 mm
Maximum dimensionsDia200×50mm
Surface flatnessλ/8@632nm
μmNoμmNoμmNo
0.14081.8150.14521.782
0.14771.767
0.1500
1.6780.20001.5570.26521.5122
0.28031.50660.28931.50390.29671.5019
0.30211.50040.31301.49780.32541.4952
0.34031.49250.34661.49150.36101.4894
0.36631.48870.40461.48440.54611.4759
0.58931.47440.64381.4730.65631.4727
0.70651.47180.85211.46990.89441.4694
1.0140146851.12871.46781.36731.4667
1.52951.46611.68101.46561.70121.4655
1.97011.46472.32541.46362.63781.4623
3.24341.46023.42201.45945.13801.4501
5.54901.447326.23901.44226.63311.439
7.0442
1.43537.26801.43319.72401.4051
If you want to get more information send us you message
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:
More than 60% of our employees are physics or material scientists from NIALT and SIOM.
》More information about our company
Alibaba Transaction History:
We have set up a mall on the Alibaba, and there are many transaction record from all over the world.
》Our Alibaba trade website

Delivery in 3~4weeks
Free samples can be provided
Free ex change goods or sales return for once
Provides re-polished and coating
services (Coating damage only)
Note:Postage paid by the buyer
》More information about Service
Optical Crystals
website:http://www.meta-laser.com/optical-crystals/