Selectivity and excitation rate of laser isotope separation can be enhanced by using the coherent selective Doppler-free two-photonexcitation with intermediate resonant level.
利用具有中间共振能级的无多普勒双光子相干选择激发来提高激光同位素分离的选择性和激发速率。
2
Photophysical processes of the chlorophyll derivative photosensitizer CPD3 were investigated under two-photonexcitation (TPE) induced by a femtosecond pulse laser.
用飞秒脉冲激光，研究了二氢卟吩光敏剂CPD3分子在双光子激发(TPE)下的光物理过程。
3
The expression of two-photon absorption probability for the decaying optical pulse series excitation is given and a simple experimental method is suggested.