supported by the National Natural Science Foundation of China(No.61178052);the Ph.D. Programs Foundation of the Ministry of Education of China(No.20130009110008)
A hexagonal array grating based on selective etching of a 2D ferroelectric domain inversion in a periodically poled Mg O-doped Li Nb O3 crystal is fabricated. The effects to the diffractive self-imaging as a function ...
supported by the National Natural Science Foundation of China(No.61178052);the Fundamental Research Funds for the Central Universities(Nos.2011JBZ013 and 2011JBM122)
The domain wall regions in periodically poled MgO-doped LiNbO3 (PPMgLN) crystal are examined by using second harmonic generation (SHG). The results show that the average domain walls that separate the individual d...