| 1. | Dual photon absorptiometry , dpa
双光子吸收法 |
| 2. | Two - photon absorbed organic materials and application in three - dimensional digital optical data storage
双光子吸收有机材料及其在三维数字光存储中的应用 |
| 3. | Nowadays , many experimental measurements of tpa cross sections of organic molecules take place in solutions
目前，有机分子的双光子吸收性质都是在溶剂中测量的。 |
| 4. | In the first chapter , nonlinear optics and the research of two - photon absorption materials are introduced
第一章主要介绍了非线性光学和双光子吸收材料的研究现状。 |
| 5. | 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。 |
| 6. | 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。 |
| 7. | 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。 |
| 8. | The results show that the solutions hardly change the structure of molecules , but have a significant effect on the two - photon absorption of molecules
计算结果表明，溶剂对分子的几何结构影响很小，但对分子的双光子吸收有较大的影响。 |
| 9. | 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。 |
| 10. | It is show that , for the ultraviolet pre - ionization tea co2 laser , the absorption of two photos in the process of the photo - ionization plays an important role
研究表明，在紫外预电离teaco _ 2激光器中的光离化过程中双光子吸收起着十分重要的作用。 |
