KTP (KTiOPO4 - Potassium Titanyl Phosphate)

Applications
- Harmonic Generation for Frequency Doubling
- Optical Parametric Oscillator
- Electro-optic Pockels Cells
- Quasi Phase Matching
Features
- Optically transparent between 0.35 mm and 3.5 mm
- High harmonic conversion efficiency of fundamental wavelengths between 0.94 mm and 2.5 mm
- Damage thresholds up to 1 GW/cm2
- Thermally and mechanically stable
Available Sizes
- 1 mm x 1 mm x 3 mm minimum, consult a sales representative for maximum size capabilities
Hydrothermal Growth
- Our KTP is grown Hydrothermally to insure homogenous, consistent properties
| Material Properties | |
| Crystal Structure | Orthorhombic, Space Group Pna 21 |
| Lattice Parameters | a=12.814Â, b=6.404Â, c=10.616Â |
| Melting Point | ~1150°C with Partial Decomposition |
| Mohs Hardness | ~5 |
| Color | Colorless |
| Density | 3.03 g/cm3 |
| Specific Heat | 0.1737 cal/g°C |
| Thermal Conductivity | k1=2.0, k2=3.0, k3=3.3 (x10-2 W/cm/°C) |
| Absorption Loss @1.064mm | < 1%/cm |
| Nonlinear Optical Coefficients (x10-12 m/V) | d31=6.5, d32=5.0, d33=13.7, d24=7.6, d15=6.1 |
| Refractive Indices @ 1.064mm | nx=1.740, ny=1.747, nz=1.830 |
| Refractive Indices @.532mm | nx=1.779, ny=1.790, nz=1.887 |
| Type Phase Matching | Type II |
| Phase Matching Angle @1.064mm | 24° to x in xy plane |
| Spectral Bandwidth | 5.6 Â-cm |
| Angular Bandwidth | 15-68 mrad-cm |
| Temperature Bandwidth | 25 °C-cm |
| Walk-off angle | 1 mrad |
