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；
They are, 1 Two photon absorption in atomic vapor and optical pumping assisted electromagnetically induced transparency.
热原子蒸汽中的双光子吸收以及光泵辅助的电磁感应透明现象。
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 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。
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。
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。
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。
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 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。
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。
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 polymers with two-photon absorption property could be used as film because of their high intensity and tenacity. The applications of polymers with two-photon absorption were introduced.
高聚物双光子吸收材料具有强度高与韧性好的特征，可以在膜状态下使用，因而具有潜在应用前景。
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。
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。
Recently, the study of organic two-photon absorption materials has become a hot issue in the field of materials.
近年来，对有机双光子吸收材料的研究正成为材料领域研究的热点之一。
In order to investigate the effect of substituents on the two-photon absorption properties(TPA), the one-and two-photon absorption properties were theoretically studied by using ZINDO/SOS method.
利用ZINDO/SOS方法，从理论上研究了对称和不对称取代两种情况下，取代基对二噻吩并噻吩衍生物单双光子吸收性质的影响。
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。
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 research development of the polymers with two-photon absorption property was reviewed.
介绍了双光子材料的应用，综述了高聚物双光子吸收材料的研究进展情况。
The research development of the polymers with two-photon absorption property was reviewed.
介绍了双光子材料的应用，综述了高聚物双光子吸收材料的研究进展情况。
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