| 1. | The dipole oscillator sum can be expressed in terms of the integrated photo absorption cross section .
偶极谐振子和可以用积分后的光子吸收截面来表示。 |
| 2. | Excited state absorption cross sections are obtained through z - scan curve fitting
通过曲线拟合，得出了它们的激发态吸收截面。 |
| 3. | Experimental study on temperature dependence of ultraviolet absorption cross - sections of sulfur dioxide
2紫外吸收截面温变规律实验研究 |
| 4. | And someone found that symmetry molecule ' s tpa cross section is larger than asymmetry molecule ' s
还有人发现，对称型分子比不对称型分子更有利于增大分子的双光子吸收截面。 |
| 5. | However , the development of two - photon technology is confined because of the small tpa cross sections of materials
然而，由于一般材料的双光子吸收截面很小，双光子吸收的实际应用受到限制。 |
| 6. | Furthermore , with the increase of the polarity of solvent , the excited energies is decreased and the tpa cross section is increased
而且，随着溶剂极性的增加，激发态的激发能减小，双光子吸收截面增大。 |
| 7. | Recently , with the development of experiments , numerous organic materials that exhibit large tpa cross sections have been synthesized in different laboratories
近年来，随着实验技术的日益发展，实验合成了大量具有大双光子吸收截面的有机材料。 |
| 8. | The results indicate that for one dimension center conjugated organic molecules , the tree - state model can well calculate its low - excited states tpa cross sections
研究结果表明，对于一维体系的对称型共轭分子，三态模型可以很好地给出低激发态的双光子吸收截面。 |
| 9. | Double cladding fiber characteristic parameters ( doped rare - earth concentration in core , confinement factor , absorption cross and emission cross ) are calculated theoretically
理论计算了双包层掺杂光纤特性参数(纤芯的稀土掺杂浓度、限制因子、吸收截面和发射截面) 。 |
| 10. | Theoretical calculations can not only predict the two - photon absorption intensity but also provide guideline and help for synthesis of new materials with large tpa cross sections
利用理论模型不仅可以对分子的双光子吸收强弱进行预测，还可以为实验合成具有大双光子吸收截面的分子提供重要的理论依据和指导。 |
