Basic properties of optical linbo3 crystal lens as follow: crystal structure:trigonal, point group 3m lattice parameters:a=b=5.148 , c=13.863 density:4.64 g/cm3 melting point:1250 degrees curie point:1142+/- degrees mohs hardness:55 dielectric constant :e11/e0 = 85; e33/e0 = 29.5 thermal conductivity:38 w/m egrees at 25 egrees thermal expansion coefficient:a1=a2 =2x10-6 egrees, a3=2.2x10-6/ degrees at 25degrees piezoelectric strain constant:d22 = 2.04 x 10-11 c/n, d33 = 19.22 x 10-11 c/n elastic stiffness constant:ce11 = 2.04 x 1011 n/m2, ce33 = 2.46 x 1011 n/m2 As request
