WHAT DOES LGS SWITCH CRYSTAL MEAN?

wherever n involves nx and ny, the refractive indices along the X- and Y- Instructions as light propagates within an optically Energetic crystal along the Z- direction.Piezooptical coefficients of La3Ga5SiO14 and CaWO4 crystals: A blended optical interferometry and polarization-optical examineEnergetic and passive Q-switched Procedure in the Er: Cr