Angular APP phase-matching engineering diagram (IMAGE)
Caption
a Schematic of laser direct writing of APP gratings. Λ=La+Lb is the fabricated APP grating period, and La and Lb are the lengths of crystalline/amorphous regions of the crystal with second-order nonlinear coefficients of d/0, respectively. b APP gratings along the Z direction with the propagation direction of the interacting waves ρ(θ,φ).
Credit
by Mingchuan Shao, Fei Liang, Haohai Yu, Huaijin Zhang
Usage Restrictions
Credit must be given to the creator.
License
CC BY