Nd:YAG Neodymium-Doped Yttrium Aluminum Garnet
Nd:YAG is a laser crystal with excellent overall properties, widely utilized in industrial, medical, aesthetic medicine, military, and research fields.
In particular, it is widely used as a representative laser medium for high-power and high-energy applications, as well as for Q-switching and mode-locking to generate ultrashort pulse lasers.
In particular, it is widely used as a representative laser medium for high-power and high-energy applications, as well as for Q-switching and mode-locking to generate ultrashort pulse lasers.
Features
- High gain
- Low threshold
- Support for high power output
- Excellent thermal conductivity and thermal shock resistance
- Compatible with various operation modes (continuous-wave, pulsed, Q-switching, mode-locking)
Applications
- Medical and aesthetic devices
- Near-infrared to far-infrared solid-state lasers and their harmonic generation (second and third harmonic generation)
- Diode-pumped solid-state compact lasers (DPSS lasers)
- Industrial lasers
- High-performance laser equipment
- Optoelectronic countermeasure systems
- Laser therapy devices and aesthetic equipment
Physical Specifications
| Item | Specification |
|---|---|
| Chemical Formula | Nd:Y3Al5O12 |
| Lattice Constant | a = 12.01 Å |
| Crystal Growth Method | CZ (Czochralski) |
| Density | 4.5 g/cm3 |
| Mohs Hardness | 8.5 |
| Melting Point | 1970 ℃ |
| Refractive Index | 1.82 (@1064 nm) |
Optical Specifications
| Item | High-Quality Nd:YAG | Standard-Quality Nd:YAG |
|---|---|---|
| Doping Concentration | 1.0–1.1% | 1.0–1.1% |
| Wavefront Distortion | ≤0.02 λ/inch (@1064nm) | ≤0.03 λ/inch (@1064nm) |
| Extinction Ratio | ≥40 dB | ≥38 dB |
| Flatness | ＜λ/10 | ＜λ/10 |
| Parallelism | ＜10″ | ＜10″ |
| Perpendicularity | ＜3′ | ＜10′ |
| Surface Quality (Scratch & Dig) | 10 / 5 | 10 / 5 |
| Size | Customizable | |