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Nd:KGW Crystals SKU: NdKGW-0324-03
Nd:KGW crystals are low lasing threshold highly efficient laser material exceptionally suitable for laser rangefinding applications. The efficiency of Nd:KGW lasers is 3–5 times higher than that of Nd:YAG lasers. Nd:KGW laser medium is one of the best choices ensuring effective…
Variant specifications
| Specification | Value |
|---|---|
| Description | Nd:KGW crystal, 3 % doping, b-cut |
| Dimensions | Ø9x7 mm |
| Coating | S1: AR@1067 nm, S2: AR@808 nm + HR@1067 nm |
Shared product specifications
These specifications apply across the Nd:KGW Crystals product family.
Physical and Laser Properties
| Chemical formula | KGd(WO4):Nd |
| Lattice constants | a = 8.095 Å, b = 10 Å, c = 7.588 Å |
| Optical orientation | ng = b, npc = 20 deg |
| Angle between optical axis | 86.5 angular grad |
| Density | 7.27 g/cm3 |
| Mohs hardness | 5 |
| Thermal conductivity | 2.8 W/(m×grad) [100] 2.2 W/(m×grad) [010] 3.5 W/(m×grad) [001] |
| Thermal expansion | 4×10-6 grad-1 [100] 3.6×10-6 grad-1 [010] 8.5×10-6 grad-1 [001] |
| Phase transition | 1005°C |
| Melting point | 1075°C |
| Transmission range | 0.35-5.5 µm |
| Refractive indice | ng = 2.033 @ 1.067 µm np = 1.937 @ 1.067 µm nm = 1.986 @ 1.067 µm |
| Transition | 4F3/2 -> 4I11/2 |
| Laser wavelength | 1.0672 µm |
| Fluorescence lifetime | 120 µs |
| Fluorescence width | 24 cm-1 |
| Emission cross-section | 4.3×10-19 cm-2 |
| Emission cross-section | 8.5×10-4 nm, K-1 |
STANDARD SPECIFICATIONS
| Orientation | [010] ±30 min |
| Dopant concentration | 2-10 at % |
| Diameter tolerance | +0.0/-0.1 mm |
| Length tolerance | +1.0/-0.0 mm |
| Chamfer | 45(±10) deg × 0.2(±0.1) mm |
| Flatness | λ/10 @ 633 nm |
| Parallelism | better than 30 arcsec |
| Perpendicularity | better than 15 arcmin |
| Surface finishing | 10/5 scratch/dig |
| Absorption losses | < 0.005 cm-1 |
Product brochures
Shared documentation for the complete product family.