LiNbO3 crystals were implanted with 1.0 and 1.5 MeV Cu ions at a dose
of 5 x 10(14) ions/cm2, Rutherford backscattering spectrometry (RBS) i
n the channelling geometry was used to investigate the induced damage.
Single TE (transverse electric) and TM (transverse magnetic) waveguid
e modes have been observed in MeV Cu+ implanted LiNbO3 crystals withou
t annealing.