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Undoped YAG (Yttrium Aluminum Garnet) crystal is a high-purity optical material known for its exceptional hardness, superior thermal conductivity, and excellent optical transparency across visible and infrared wavelengths. Engineered with precise crystallization techniques, undoped YAG offers strong mechanical durability, minimal optical distortion, and high resistance to environmental degradation. This versatile material is widely used in laser optics, precision optical components, infrared windows, medical imaging devices, and scientific instrumentation, ensuring reliable optical performance in demanding applications.
Product Overview:
Undoped YAG (Yttrium Aluminum Garnet) crystal is a high-performance material known for its excellent optical, mechanical, and chemical properties. It is widely used in ultraviolet (UV) and infrared (IR) optical devices. The crystal exhibits no absorption within the 0.25 to 5 micrometer spectral range, making it highly efficient for transmitting optical signals. As a cubic crystal system, undoped YAG is optically isotropic and offers outstanding thermal stability and mechanical strength, making it suitable for high-power laser applications. It is an essential material in various industrial and scientific applications, particularly as substrate and window material.
Key Features:
- Excellent Thermal Stability:The crystal maintains stable optical performance even in high-temperature environments.
- Low Stress:The crystal exhibits low internal stress, making it ideal for high-precision optical device manufacturing.
- High Optical Quality:Pure YAG crystals have excellent optical quality, making them suitable for demanding optical components.
Applications:
- UV and IR Optical Devices:Used as window and substrate materials in UV and IR optical instruments.
- Lasers:Undoped YAG crystal is used as a laser medium in lasers, offering high output efficiency and stability.
- High-Energy Optical Systems:Applied in high-power lasers and optical systems, such as lenses and windows.
- Scientific Research:Commonly used in laboratory optical experiments and equipment as a high-quality optical component.
| Property | Value |
| Chemical Formula | Y₃Al₅O₁₂ |
| Crystal Orientation | [111] |
| Transmitted Wavefront Distortion | λ/8 per inch @ 632.8nm |
| Extinction Ratio | ≥30 dB |
| Crystal Rod Dimensions | Diameter: 2～50mm, Length: 3～200mm (Customizable) |
| Dimensional Tolerance | Diameter: ±0.02mm, Length: ±0.2mm |
| Cylindrical Surface Processing | Fine grinding, Polishing, Threading |
| End Face Parallelism | ≤10″ |
| End Face Perpendicularity | ≤5′ |
| End Face Flatness | λ/10 per inch @ 632.8nm |
| Surface Finish | 10⁻⁵ (MIL-PRF-13830B) |
| Edge Beveling | 0.1mm @ 45° |
| Clear Aperture | >95% |
| Anti-Reflective Coating Reflectance | <0.15% @ 1064nm |
| Laser Damage Threshold of Coating | >750 MW/cm² |
