Potassium Titanyl Phosphate KTP Crystal Optical Nonlinear Crystal
1.KTP Crystal Introduction :
Potassium Titanyl Phosphate (KTiOPO3 or KTP) is an excellent nonlinear optical material suitable for use in many optical systems. It has excellent frequency doubling performance: large nonlinear coefficient, stable physical property, and little change of phase matching condition with temperature.
| Name | Potassium Titanyl Phosphate |
| Mohs hardness | 5 |
| Lattice constants, Å | a = 6.404, b = 10.616, c = 12.814, z = 8 |
| Density, g/cm3 | 3.01 |
| Melting point, °C | 1172 |
| Transition temperature, °C | 936 |
| Thermal conductivity, W/m*K | 13 |
| Thermal expansion coefficients, °C-1 | ax = 11×10-6, ay = 9×10-6, az = 0.6×10-6 |
| Transparency range | 350-4500 nm |
2.KTP Crystal Features:
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Large nonlinear optical(NLO) coefficients
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Wide angular bandwidth and small walk-off angle
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Broad temperature and spectral bandwidths
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High electro-optic(E-O) coefficient and low dielectric constant
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Non-hygroscopic, good chemical and mechanical properties
3.KTP Crystal Applications :
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Frequency doubling(SHG) of Nd-doped lasers for green/red output
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Frequency mixing(SFM) of Nd lasers and diode lasers for blue output
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Parametric sources(OPG, OPA, and OPO) for 0. 6mm-4.5mm tunable output
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E-O modulators, optical switches, directional couplers
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