Potassium Titanium Oxide Phosphate
Potassium Titanium Oxide Phosphate
Potassium titanium phosphate (KTiOP4, referred to as KTP) crystal is currently one of the nonlinear crystals with better comprehensive performance, its larger nonlinear coefficient, higher anti-light damage light damage threshold, stable chemical properties, no delix, good mechanical properties, crystal surface is easy to polish, small mismatch, suitable for making frequency multiplier. The frequency doubling efficiency of 1064nm can reach about 80%. The crystal can be used to make components such as frequency doubling, mixing, electro-optical modulation, optical parametric oscillation and optical waveguide, etc. The high frequency doubling conversion efficiency and relatively low price make it very popular in the application field of this kind of crystal, especially for near-infrared laser frequency doubling, KTP is a high-quality crystal material.
Basic Properties:
| Crystal Structure | Orthorhombic system mm2 point group |
| Lattice Parameters | a=6.404, b=10.616 ,c=12.814, Z=8 |
| Density | 3.01g/cm3 |
| Melting Point | 1172℃ |
| Curie Point | 936℃ |
| Mohs Hardness | 5Moth |
| Thermal Conductivity | 0.13W/cm/K |
| Thermal Expansion Coefficient | a1=11×10-6/℃,a2=9×10-6/℃,a3=0.6×10-6/℃ |
| Color | Colorless |
| Transparent Range | 350-4500nm |
| Refractive Indices 1064nm 532nm | nx;ny;nz 1.7377;1.7453;1.8297 1.7780;1.7886;1.8887 |
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