Non-linear optical crystal

potassium titanyl phosphate (KTiOPO4 KTP)beta barium borate (BaB2O4, BBO)lithium niobate (LiNbO3)

Crystal Structure: Trigonal,Space Group R3c Orthorhombic,Point Group mm² Orthorhombic,Point Group mm² Trigonal,Space Group R3c Transparency Range: 189-3500nm 350-4500nm 160-2600nm 420-5200nm Cell Parameters: A=b=12.532 Å C=12.717 Å A=6.404 Å B=10.616 Å C=12.814 Å A=8.44731Å B=7.3788 Å C=5.1395 Å a=0.515Å c=13.863Å Melting Point: 1095+/-5℃ 1172℃ Incongruent 834℃ 1255+/-5℃ Curie Point: 925+/-5℃ 936℃ 5 1140+/-5℃ Optical Homogeneity: △n=10-6/cm △n=10-6/cm △n=10-6/cm △n=5*10-5/cm Mohs Hardness: 4.5 5 6 5 Density: 3.85g/cm³ 3.01g/cm³ 2.47g/cm³ 4.64g/cm³ Thermal Conductivity: ˆC,0.012W/m/k ‖C,0.016W/m/k 0.03 W/m/k 0.035 W/m/k 0.046 W/m/k Phase-matchable SHG Range: 205-1750nm 1000-2000nm 800-2000nm 1100-3000nm Absorption Coefficient: <0.1%/cm@1064nm <1%/cm@1064nm and 532nm <=1%/cm@1064nm <0.1%/cm@1064nm NLO coefficients: d21=2.2pm/V d31=0.08pm/V d22=2.2pm/V d31=1.95pm/V d32=3.90pm/V d33=15.3pm/V d24=3.90pm/V d15=1.95pm/V d21=0.67pm/V d22=0.04pm/V d23=0.85pm/V d34=0.85pm/V d16=0.67pm/ d21=d22=d16=2.6pm/V d31=d32=d24=4.6pm/V d33=25.6 pm/V Damage Threshold@1064nm: 12.9J/cm² 9.9GW/ cm² 6.0J/cm² 4.6GW/ cm² 24.6J/cm² 18.9GW/ cm² 200GW/ cm² Refractive Indices@1064nm@532nm: Ne=1.5425 No=1.6551 Ne=1.5555 No=1.6749 Nx=1.73991 Ny=1.74802 Nz=1.82956 Nx=1.77903 Ny=1.79002 Nz=1.88628 Nx=1.56447 Ny=1.59050 Nz=1.60538 Nx=1.57842 Ny=1.60650 Nz=1.6215 Ne=2.23216 No=2.15600 Ne=2.32309 No=2.23415