Nd:YAG Nd- Doped Yttrium Aluminum Garnet
Nd:YAG Nd -doped yttrium aluminum garnet is the solid-state laser material with the best comprehensive performance. It has the characteristics of high gain, low laser threshold, good thermal conductivity and thermal shock, and is suitable for various working modes ( continuous , pulse , Q-switch, Mode-locked ), often used in near-far infrared solid-state lasers and double frequency, triple frequency applications, and widely used in scientific research, medical, industrial , military and other fields.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Crystal structure | Cubic system |
| Lattice constant | 12.01 Å |
| Melting point | 1970°C |
| Moh's hardness | 8.5 |
| Density | 4.56±0.04g/ cm3 |
| Specific heat [@0–20℃] | 0.59J/g.cm 3 @0-20℃ |
| Elastic Modulus | 310GPa |
| Young's modulus | 3.17×10 4 Kg/ mm2 |
| Poisson's ratio | 0.3 |
| Tensile strength | 0.13~0.26GPa |
| Coefficient of thermal expansion | [100] 8.2×10 -6 /K @ 0~250℃;[110] 7.7×10 -6 /K @0~250℃[101] [111] 7.8×10 -6 /K @0~250℃ |
| Thermal conductivity | 14W/m/K @20℃; 10.5W/m/ K@100℃ |
| Thermo-optic coefficient (dn/dT) | 7.3×10 -6 /K |
| Thermal shock resistance | 790W/m |
| Doping concentration | Nd: 0.1～ 2.5at % |
| Orientation | [111] or [100], ±5° |
| Wavefront distortion [@632.8nm] | ≤λ/10/inch@632.8nm |
| Extinction Ratio | ≥ 25dB |
| Crystal rod size | Diameter:＜ 50 mm, Length:＜ 220 mm ; can be customized |
| Dimensional tolerance | Diameter: +0.00/-0.05mm, Length: ±0.5mm |
| Cylindrical processing | Grinding , polishing , threading, etc. |
| Parallelism of end faces | ≤10" |
| Perpendicularity between end face and rod axis | ≤5′ |
| Flatness of end face [@632.8nm] | λ/10 @632.8nm |
| Surface Quality | 10-5 (MIL-O-13830A) |
| Chamfer | 0.15±0.05mm |
| Coating | Anti-reflection coating: R<0.15% @1064nm, R＜0.5% @808nm, R＜0.15% @532nm,Partial reflection film: R=(10~90)%±2% @1064nmHigh reflection film: R＞99.8% @1064nm, R＞99.8% @808nm |
| Damage threshold [@1064nm,10ns,10Hz] | ≥1GW/ cm2 @1064nm, 10ns, 10Hz |
Key Features
Datasheet
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