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Introduction:
Yttrium Aluminum Garnet crystal, abbreviated as YAG crystal (Chemical formula: Y₃Al₅O₁₂), possesses excellent properties such as a broad transmission range, high purity, excellent homogeneity, high thermal conductivity, and high stability. It is a key material for UV/IR optical windows, laser host substrates, and in high-temperature, high-energy physics environments. It is widely used in industrial laser processing, medical aesthetics, scientific research, and national defense security.
Our company has many years of experience in the growth technology of YAG series crystals. We can provide YAG crystal blanks with diameters up to 3 inches and lengths up to 120mm, and can customize YAG crystal products in various sizes and specifications.
Features & Applications:
Features: |
Applications: |
|
Broad transmission spectrum Excellent homogeneity, no birefringence Stable physicochemical properties Good machinability Excellent high-temperature stability |
UV/IR optical windows Medical optical lens windows Laser crystal host material Spectral analysis Optical instruments |
Physical and Chemical Properties：
Chemical formula |
Y3Al5O12 |
Purity |
99.999% |
Growth direction |
[100] or [111] |
Crystal structure |
Cubic crystal system |
Lattice parameters |
1.201 nm |
Density |
4.55 g/cm3 |
Melting point |
1970°C |
Refractive index @0.632 μm |
n=1.83 |
Hardness (Mohs) |
8.0-8.5 |
Transmission range |
0.21-5.2 um |
Thermal conductivity |
13.4 W/m·K（@300K） |
Coefficient of thermal expansion |
7.8*10-6/K |
Processing Specifications for Laser-Grade Products：
Dimensions and Specifications |
(3*3)~(50*50)*0.5 mm3 Or other customizations |
Directional accuracy |
±0.5° |
Parallelism |
30 arcsec |
Verticality |
15 arcmin |
Smoothness |
10-5 |
Flatness |
λ/8 |
Wavefront aberration |
λ/4 |
Effective aperture |
90% |
Edge chipping |
|
Chamfer |
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