共 2 条
[1]
Proton exchange: past, present, and future .2 J. L. Jackel. Proc. of SPIE . 1991
[2]
Efficient quasi-phase matched blue second-harmonic generation in LiNbO3 channel waveguides by a second-order grating .2 X. Cao,R. Srivastava,R. V. Ramaswamy. Opt . Lett . 1992