Cristal optique non linéaire

de titanyl phosphate de potassium (KTiOPO4, KTP)de béta borate de baryum (BaB2O4, BBO)de niobate de lithium (LiNbO3)

Structure cristalline : Trigonal, groupe spatial R3c Orthorhombique, Groupe de points mm² Orthorhombique, Groupe de points mm² Trigonal, groupe spatial R3c Gamme de transparence : 189-3500nm 350-4500nm 160-2600nm 420-5200nm Paramètres des cellules : 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 Point de fusion : 1095+/-5℃ 1172℃ Incongruence 834℃ 1255+/-5℃ Curie Point : 925+/-5℃ 936℃ 5 1140+/-5℃ Homogénéité optique : △n=10-6/cm △n=10-6/cm △n=10-6/cm △n=5*10-5/cm Dureté de Mohs : 4.5 5 6 5 Densité : 3.85g/cm³ 3.01g/cm³ 2.47g/cm³ 4.64g/cm³ Conductivité thermique : 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 Gamme de SHG à phase adaptée : 205-1750nm 1000-2000nm 800-2000nm 1100-3000nm Coefficient d'absorption : <0,1%/cm@1064nm <1%/cm@1064nm et 532nm <=1%/cm@1064nm <0,1%/cm@1064nm Coefficients NLO : 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 Seuil de dommages@1064nm : 12.9J/cm² 9,9GW/ cm² 6.0J/cm² 4,6GW/ cm² 24.6J/cm² 18,9GW/ cm² 200GW/ cm² Indices de réfraction@1064nm@532nm : Ne=1,5425 Non=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