| KTA Crystal Basic Properties | |
| Crystal Structure | Orthorhombic, point group mm2, |
| Lattice parameter | a=13.125À, b=6.5716À, c=10.786À |
| Melting point | 1130℃ |
| Mohs Hardness | near 5 |
| Density | 3.454g/cm3 |
| Thermal conductivity | K1:1.8W/m/K; K2: 1.9W/m/K; K3: 2.1W/m/K |
KTA CRYTAL
| Optical and Nonlinear Optical Properties / KTA Crystal Basic Properties | |||||
| TransparencyRange | 350-5300nm | ||||
| Absorption Coefficients | @ 1064 nm <0.05 %/cm | ||||
| @ 1533 nm <0.05 %/cm | |||||
| @ 3475 nm <5%/cm | |||||
| NLO susceptibilities(pm/V) | d31 = 2.76, d32 = 4.74, d33 = 18.5 , d15 = 2.3, d15 = 3.2 | ||||
| index | A | B | C | D | |
| Sellmeier Equation | Nx | 1.90713 | 1.23522 | 0.19692 | 0.01025 |
| Ni2=Ai+Biλ2/(λ2-Ci2)-Diλ2(λin um) | Ny | 2.15912 | 1.00099 | 0.21844 | 0.01096 |
| Nz | 2.14768 | 1.29559 | 0.22719 | 0.01436 | |
| Electro-optical constants(pm/V) | γ33=37.5; γ23=15.4; γ13=11.5 | ||||
| (low frequency) | |||||
| SHG Phase Matchable Range | 1083-3789nm | ||||
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KTA or Potassium Titanyl Arsenate (KTiOAsO4) is an excellent nonlinear optical crystal for Optical
Parametric Oscillation(OPO) application.
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