- The dipole oscillator sum can be expressed in terms of the integrated photo absorption cross section.
- The molecule has the largest two-photon absorption cross section among its series of studied derivatives.
- The dipole oscillator sum can be expressed in terms of the integrated photo absorption cross section .
- At last, least squares fit is done between differential absorption cross section and differential absorption spectra to retrieve concentrations of polluted gases.
- The absorption spectrum and fluorescence spectrum of the two crystals were measured, the absorption cross section and emission cross section of the major peaks were calculated.
- Under the excitation of 1064nm laser, the properties of tow-photon absorption (TPA) of p567, p-orange and p-red were investigated and got their TPA coefficient and TPA absorption cross section.