Nd:YAG (Neodymium-Doped Yttrium Aluminum Garnet)
Neodymium-doped yttrium aluminum garnet (Nd:YAG) is an early, well-known laser crystal. Its excellent fundamental properties support near- and far-infrared solid-state lasers and their frequency-doubled and tripled outputs. It is widely used in research, medical, industrial and military lasers.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Basic Characteristics - Molecular Formula | Nd:Y₃Al₅O₁₂ |
| Basic Characteristics - Crystal Structure | Cubic Crystal System |
| Basic Characteristics - Lattice Constant | 12.01Å |
| Basic Characteristics - Melting Point | 1970°C |
| Basic Characteristics - Density | 4.5g/cm³ |
| Basic Characteristics - Refractive Index | 1.82 |
| Basic Characteristics - Thermal Expansion Coefficient [<111>] | 7.8x10⁻⁶/K <111> |
| Basic Characteristics - Thermal Conductivity [20°C] | 14W/m/K |
| Basic Characteristics - Thermal Conductivity [100°C] | 10.5W/m/K |
| Basic Characteristics - Mohs Hardness | 8.5 |
| Basic Characteristics - Stimulated Emission Cross Section | 2.8x10⁻¹⁹ cm⁻² |
| Basic Characteristics - Lower Laser Level Relaxation Time | 30ns |
| Basic Characteristics - Radiative Lifetime | 550 ms |
| Basic Characteristics - Spontaneous Fluorescence | 230 ms |
| Basic Characteristics - Spectral Lines | 0.6nm |
| Basic Characteristics - Pump Wavelength | 807.5nm |
| Basic Characteristics - Polarized Emission | Unpolarized |
| Basic Characteristics - Thermal Birefringence | High |
| Basic Characteristics - Pump Wavelength Absorption Band | 1nm |
| Basic Characteristics - Loss Coefficient [1064nm] | 0.003cm⁻¹@1064nm |
| Technical Specifications - Doping Concentration | 0.6% ~1.1% |
| Technical Specifications - Orientation | <111>crystalline direction |
| Technical Specifications - Wavefront Distortion [633nm] | λ/8per inch @633nm |
| Technical Specifications - Extinction Ratio | >28dB |
| Technical Specifications - Dimensional Tolerance | Rods with diameter:(+0、-0.05)mm,( ±0.5) mm |
| Technical Specifications - Surface Quality [MIL-O-1380A] | 10/5 Scratch/dig per MIL-O-1380A |
| Technical Specifications - Parallelism | <10arc seconds |
| Technical Specifications - Perpendicularity | <5arc minutes |
| Technical Specifications - Clear Aperture | >90% |
| Technical Specifications - Flatness [633 nm] | λ/10@ 633 nm |
Datasheet
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Supplier Information
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