Yttrium Aluminium Garnet Transparent Ceramic Description
Yttrium aluminium garnet transparent ceramic has a transmittance high than 80% without coating. Yttrium aluminium garnet is a synthetic crystalline material of the garnet group. It is a cubic yttrium aluminium oxide phase, with other examples being YAlO₃ in a hexagonal or an orthorhombic, perovskite-like form, and the monoclinic Y₄Al₂O₉.
Transparent ceramic refers to a polycrystalline material with a certain light transmittance prepared by the ceramic process, also known as optical ceramic. Compared with glass or resin optical materials, transparent ceramics are stronger, harder, more resistant to corrosion, and more resistant to high temperatures. They can be used in extremely harsh conditions.
Yttrium Aluminium Garnet Transparent Ceramic Specification
|
Performance
|
YAG
|
Y2O3
|
ALON
|
|
Bulk density(g/cm3)
|
4.55
|
5.03
|
3.72
|
|
Flexural strength(MPa)
|
300
|
200
|
300
|
|
Fracture toughness(MPa)
|
2
|
2.5
|
1.4
|
|
Elastic modulus(GPa)
|
234
|
164
|
317
|
|
Poisson ratio
|
0.23
|
0.29
|
0.24
|
|
Vickers hardness(GPa)
|
13.4
|
11
|
16
|
|
Thermal conductivity(W/m.k)
|
12
|
14
|
12.6
|
|
CTE,25~1000°C
|
8×10-6
|
6~7×10-6
|
5.83×10-6
|
|
Band
|
0.25~6um
|
0.25~8um
|
0.25~5um
|
|
Maximum light transmittance
|
84%
|
81%
|
80.20%
|
|
Refractive index n@1000nm
|
1.82
|
1.95
|
1.79
|
|
Dielectric constant
|
10.8(1MHz)
|
11.8
|
9.9(1MHz)
|
|
Dielectric loss
|
5×10-4
|
5×10-4
|
＜5×10-4
|
|
Melting point /°C
|
1950
|
2430
|
2165
|
Yttrium Aluminium Garnet Transparent Ceramic Application
YAG is commonly used as a laser medium in solid-state lasers, notably in the form of Nd: YAG (Neodymium-doped YAG), which is one of the most widely used laser materials. YAG ceramics, when doped with other rare earth ions like neodymium (Nd), erbium (Er), or ytterbium (Yb), serve as the active medium in lasers for a wide range of applications including medical, industrial, and defense sectors.
Yttrium Aluminium Garnet Transparent Ceramic Packaging
Our Yttrium Aluminium Garnet Transparent Ceramic are rigorously packaged to ensure safe transportation and comply with international regulations, ensuring secure and prompt delivery.
Yttrium Aluminium Garnet Transparent Ceramic FAQs
Q1: What is Yttrium Aluminium Garnet (YAG) Transparent Ceramic?
YAG transparent ceramic is a synthetic material made from yttrium Aluminium garnet that has been processed into a transparent form. This ceramic combines high mechanical strength, optical transparency, thermal stability, and radiation resistance, making it suitable for use in a variety of advanced technologies such as lasers, optical components, and high-temperature applications.
Q2: What are the key properties of YAG Transparent Ceramics?
YAG transparent ceramics possess the following key properties:
High Optical Transparency: Excellent light transmission in the visible and infrared spectrums.
High Mechanical Strength: High hardness and resistance to wear and abrasion.
Thermal Stability: Can withstand high temperatures without degrading.
Radiation Resistance: Resistant to damage from ionizing radiation, making it ideal for space and nuclear applications.
Q4: Why is YAG Ceramic used in Laser Systems?
YAG ceramics are ideal for laser systems due to their high optical transparency and ability to act as a laser medium. When doped with elements like Neodymium (Nd), they become efficient solid-state laser gain media. For example, Nd: YAG lasers are widely used in medical, industrial, and military applications because of their high output power, reliability, and ability to generate a high-quality beam.
