Figure 8

Spatial electric field distribution with an incident wavelength of 650 nm on the fabricated PPE LiNbO3 substrate surface under (a) ta = 0 h and (b) ta = 9 h, respectively.
Spatial electric field distribution with an incident wavelength of 650 nm on the fabricated PPE LiNbO3 substrate surface under (a) ta = 0 h and (b) ta = 9 h, respectively.