讨论了准相位匹配（QPM）技术中的非线性光频转换谐波振幅方程和谐波转换效率。
The harmonic amplitude equation and the generation efficiency of nonlinear optical frequency conversion(NOFC)in quasi-phase-matching (QPM) were discussed.
极化子是电子与光频支纵声子相耦合系统的准粒子，是凝聚态物理学中的一个重要课题。
Polaron is the quasi particle of the electron-longitude optical phonon coupling system, which is an important subject in the condensed matter physics.
极化子是电子与光频支纵声子相耦合系统的准粒子，是凝聚态物理学中的一个重要课题。
Polaron is the quasi particle of the electron-longitude optical phonon coupling system, which is an important subject in the condensed matter physics.
应用推荐