摘要
Tunable coherent vacuum ultraviolet and extreme ultraviolet radiation have been produced in H2 by three-photon resonant third harmonic generation via B1 Σ_(u)^(+)(v’) ← X^(1) Σ_(g)^(+) (v = 0 ) and C^(1) IIu(v’) ← X^(1) Σ_(g)^(+) ( v = 0 ) transitions. Highly resolved third harmonic spectrum exhibits some distinct characteristics. Phase-matching effect of the nonlinear optical process is also discussed.
作者
谢晓波
王鹏谦
操传顺
孙驹亨
XIE Xiao-bo;WANG Peng-qian;CAO Chuan-shun;SUN Tao-heng(Department of Physics,Peking University,Beijing 100871)
基金
the National High Technology Program of Lasers(863-410).
