In this paper, we divided the double frequency crystal into numerous small double frequency units and derived the harmonic power and the double frequency efficiency in each unit.
本文中将倍频晶体分割成无数多个小倍频单元，并导出每个倍频单元中的谐波功率与倍频效率。
2
The effect on amplitude of EXAFS from harmonic caused by high order diffraction of crystal monochromator is discussed.
本文讨论了晶体单色器高次衍射形成的谐波对EXAFS振幅的影响。
3
Theoretical analyses are presented on the critically phase-matched second-harmonic generation (SHG) in a biaxial crystal with the focused fundamental Gaussian beams.