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。
The transition is caused by six photon absorption.
该跃迁是由六光子吸收引起的。
This is because the scattered photon energy flux from the atmosphere scattering near the source preponderate over the absorption.
这是由于源附近大气对光子散射到达探测点的注量超过大气对光子的吸收所致。
Second, application of two photon absorption to three dimension density optical data storage is described.
双光子吸收在聚焦光束扫描存储技术中的应用；
In laser clinical applications, the process of photon absorption and thermal energy diffusion in the target tissue and its surrounding tissue during laser irradiation are crucial.
在激光临床医学应用中，激光辐照过程中在目标组织及其周围组织内的光子吸收和热能传播过程十分关键。
By utilizing the method, the doping concentration of the epitaxial layer is regulated to increase the widening of the depletion region so as to further improve the photon absorption efficiency.
利用本发明的方法，通过外延层的掺杂浓度来调节以增加耗尽区的展宽，可进一步提高光子吸收效率。
There are basically three processes for interaction between a photon and an electron in a solid: absorption, spontaneous emission, and stimulated emission.
光和固体中电子的相互作用基本上有三个过程；吸收，自发辐射和受激辐射。
The dependences of energy transfer to stimulated emission, non-stimulated emission, the loss in the cavity and the absorption in the triplet etc on the photon life-times are given.
给出了转移到受激辐射、非受激辐射、腔损耗、三重态吸收等方面的能量与腔内光子寿命的关系。
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。
We propose the coupled-cluster equation of motion method coupled with semiempirical Hamiltonian to calculate the multi-photon absorption cross-section for complex molecular systems.
我们提出了用耦合簇运动方程方法并结合半经验哈密顿参数来计算大分子体系的多光子吸收截面。
The expression of two-photon absorption probability for the decaying optical pulse series excitation is given and a simple experimental method is suggested.
给出了衰减多脉冲光激发的双光子吸收几率的表达式。 提出了一种简单易行的实验方案。
The peak output intensity for Nd glass amplifiers is limited by two-photon absorption.
双光子吸收限制了钕玻璃放大器的输出峰值强度。
The results show that the number of thiophene units affects the properties of one-photon absorption and two-photon absorption.
结果显示噻吩单元的数目影响分子的单光子和双光子吸收性质。
The molecule has the largest two-photon absorption cross section among its series of studied derivatives.
该分子在相应系列衍生物中具有最大的双光子吸收截面。
It is shown that Raman amplification can counteract the effects of two-photon absorption.
结果表明，喇曼放大可以抵消双光子吸收的影响。
The nonlinear two-photon absorption of Nd ions in Nd-doped laser glasses was studied with single picosecond laser pulses from a mode-locked Nd glass laser.
利用锁模钕玻璃激光器的单个微微秒激光脉冲，研究了掺钕激光玻璃中钕离子的非线性双光子吸收。
In the third chapter, the optical properties of all compounds above have been systematically studies, we also researched the Electronic Absorption Spectra, one-photon fluorescence, solvent effect.
第三章，系统研究了这一系列化合物的光学性质，研究了他们的电子吸收光谱，单光子荧光以及溶剂效应。
Three-photon absorption and subsequent excited state absorption of the generated electrons and holes have been observed.
观察到了三光子吸收及所伴随的自由载流子的激发态吸收，并测得了三光子吸收系数。
The effects of two-photon absorption and Raman amplification on the propagation of fundamental optical solitons are studied.
研究了双光子吸收与喇曼放大对基本光孤子传输的影响。
Nonlinear refractivity and two-photon absorption of GaP are obtained by numerical fitting the experimental results.
通过数值拟合获得了磷化镓在飞秒激光脉冲作用下的非线性折射率和双光子吸收系数。
When such molecules after absorption of photons transfer their photon energy to molecular oxygen, the excited delta singlet oxygen is produced.
某些化合物吸收一定波长的光子后可以将所吸收的光能转移给分子氧，产生单线态氧分子。
The high resolution spectrum can be obtained through many methods, such as saturated absorption spectroscopy, Doppler free methods of two-photon spectroscopy, and etc.
提高热原子光谱的分辨率可以有许多方法，如饱和吸收光谱技术、双光子光谱的消多普勒技术等。
We first analytically demonstrate that the four-wave mixing process in our system is equivalent to a two-photon absorption process and single photons will be obtained at the out-put.
我们首先在耗散表象下，证明了我们方案中的四波混频过程可以等效为一个双光子吸收过程，并得到了单光子输出的解析表达式。
The effects of absorption coefficients and two-photon absorption on energy measuring are studied.
研究了吸收体吸收系数和双光子吸收效应对于能量测量的影响。
Results show that the two compounds are good two-photon absorption materials, and the two-photon absorption cross section of DPVMB molecule is stronger than that of PVMB molecule.
计算结果表明，这两个化合物都具有较好的双光子吸收特性，且具有两分支结构的DPVMB分子比具有单支结构的PVMB分子有更强的双光子吸收强度。
The results show that the Doppler background due to the near resonance of the intermediate level is eliminated and the signal of two-photon transition can be distinguished from saturation absorption.
计算结果表明它能有效地克服中间能级近共振所产生的多普勒背景，并有效地区分单光子饱和吸收讯号和双光子跃迁讯号。
The results revealed that the title compound behaves obvious two-photon absorption.
结果显示标题化合物具有很强的双光子吸收效应。
The results revealed that the title compound behaves obvious two-photon absorption.
结果显示标题化合物具有很强的双光子吸收效应。
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