双光子吸收

通过数值拟合获得了磷化镓（GaP）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。

Nonlinear refractivity and two-photon absorption of GaP are obtained by numerical fitting the experimental results .

Na2中由一对耦合能级相干叠加导致的双光子吸收的干涉增强效应

Interference enhancement of two-photon absorption caused by a pair of coherent superposition levels in Na_2

本文在单光子吸收的基础上，推导了双光子吸收条件下激光等效LET。

Based one photon absorption , the laser equivalent LET for silicon under TPA has been deduced .

双光子吸收介质中振幅N次方压缩

Amplitude N-power squeezing in a two-photon absorption medium

DCM衍生物双光子吸收截面的溶剂效应

Solvent Effects on the Two-photon Absorption Cross Section of DCM Derivatives

观察到HA在强激光脉冲激发下产生了双光子吸收，指认长波荧光发射带为激发态质子转移荧光。

A new emission band of HA in sieves is observed at long wavelength side under strong pulse laser excitation .

GeO2单晶体的双光子吸收四极矩辐射发光

Two Photon Absorption Quadrupole Luminescence in GeO_2 Single Crystals

研究表明，在紫外预电离TEACO2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。

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 .

数值模拟计算表明，对于考虑双光子吸收的闭孔Z扫描曲线，其结果与经典的Z扫描理论完全一致。

Numeric simulation shows that for the closed-aperture Z-scan considering the two-photon absorption , the simulation results are well consistent with the conventional theory .

用抽运探测技术研究了CdS缺陷层的双光子吸收（TPA）现象。

Two-photon absorption ( TPA ) of the CdS defect layer in the photonic crystals was investigated by pump-probe measurement .

文中还从理论上分析了CdS溶胶的双光子吸收与毫微晶尺寸的关系，理论计算与实验结果基本符合。

The dependence of crystallite size on TPA has been analysed , and the theoretical prediction is in agreement with the experimental result .

合理地解释了Pd（mpo）2的非线性光学特性产生机理：非线性吸收来自于近共振双光子吸收，而非线性折射是由于近共振双光子吸收造成的折射加强。

The nonlinear absorption originates from the near resonant two-photon absorption while the nonlinear refraction is enhanced by near resonant two-photon absorption .

在HF水平上，利用解析响应函数方法，研究了1,4二甲氧基2,5二乙烯基苯系列衍生物分子的单光子和双光子吸收特性。

The one_photon and two_photon absorption properties of a series of 1,4_dimethoxy_2,5_ divinyl _benzene derivatives are investigated by use of the analytic response theory at HF level .

有机齐聚物DSB和TSB双光子吸收和时间分辨荧光光谱的研究

Studies Organic Polymeric Materials DSB & TSB of Two-photon Absorption and Time-resolved Fluorescence Spectrum

在正确的UV-Vis光谱基础上，预测了双光子吸收峰的位置。

On the basis of correct UV Vis spectra , the position and strength of the two photon absorption cross sections can be predicted .

研究一维ZnO纳米棒体系中，具有不同跃迁选择定则的双光子吸收和单光子吸收诱导光致发光光谱，揭示一维ZnO纳米体系中的能带结构。

To deeply reveal the energy band structure in well-aligned 1D ZnO nanorods , both one-photon - and two-photon-induced PL , with different transition selection rules , were performed in detail .

KBr晶体双光子吸收特性

Two-photon Absorption Property of KBr Crystals

第一部分涉及双光子吸收（TPA）过程的量子相干控制。

The first part concerns the coherent control of quantum states by specifically designed laser pulses in resonant two-photon absorption ( TPA ) processes .

在从头计算的基础上，利用两态模型对溶剂对N{4[（反式）2（4硝基苯基）乙烯基]苯基}N，N二苯氨基分子双光子吸收特性的影响进行了理论研究。

The two-photon absorption properties of N - { 4 - [ ( E ) - 2 - ( 4-nitrophenyl ) vinyl ] phenyl } - N , N-diphenylamine are calculated at ab initio level by use of two-state model .

蛋白质组分芳香族氨基酸双光子吸收选择性激发的HMO模型的理论分析

Theoretical investigation of selective excitation of protein components-aromatic amino acids with two-photon absorption based on HMO model

有机染料CSPI的双光子吸收和上转换荧光性质

Two-photon absorption and upconversion fluorescence properties of an organic dye CSPI

数值计算结果表明，对于超短脉冲，介质主要发生的是一步双光子吸收（TPA），在脉冲传播过程中，该介质表现出较好的光限幅特性。

Our numerical results show that for ultrashort pulses one-step coherent TPA is dominating , and the medium exhibits a good optical limiting performance during pulse propagation .

通过理论拟合实验结果得到了CS2的双光子吸收系数、激发态吸收截面以及激发态寿命。

The two photon absorption coefficient , the excited absorption cross section and the lifetime of excited state of CS2 are obtained .

利用Onsager响应场溶剂模型计算了分子在溶剂中的双光子吸收截面，通过计算发现溶剂使分子的最大双光子吸收截面增大。

Onsager reaction field model is used to study the two-photon absorption cross sections of the molecules in solvent .

用行波方法给出了含有增益色散项和双光子吸收项的非线性Schrodinger方程的皮秒严格亮基孤子解和严格暗基孤子解，以及严格暗基孤子解存在的条件；

The exact bright and dark soliton solutions of the nonlinear Schrodinger equation with two-photon absortion and with bandlimited optical gain , respectively , are given with the travelling wave method .

而对于已给定的开孔Z一扫描曲线，用该理论计算出的双光子吸收系数是经典开孔Z一扫描理论计算值的1/3，其它结论与传统Z一扫描理论完全吻合。

For a given open-aperture Z-scan curve , the two-photon absorption coefficient computed by the new Z-scan theory was 1 / 3 of the value fitted by the conventional Z-scan theory , whereas other conclusions were identical to the conventional Z-scan theory .

BL-X由于其更大的共轭度，因此有着比BL-Z更大的双光子吸收截面和双光子荧光强度。

Science the higher conjugation degree , BL-X has bigger TPA cross section and TPF intensity than BL-Z.

本文求解了含频率啁啾和汉光子吸收效应的NLS方程，由得到的孤子解讨论了啁啾和双光子吸收效应对孤子脉宽的影响。

In this paper the solution to NLS equation with chirped and two-photon absorp-tion effect is given . The influence of chirping and two-photon absorption effect on pulsewidth of soliton is discussed in detail .

我们选择二苯乙烯系列衍生物作为研究对象，分别采用响应场方法和少态模型方法研究了它们的双光子吸收性质，计算过程分别在DALTON和GAUSSIAN.98程序包上完成。

In this thesis , we design a series of trans-stilbene derivatives and study their two-photon absorption properties by response and few states model . The work is done on DALTON and GAUSSIAN-98 program packs .

本文详细研究了KBr晶体在室温下经氮分子激光（337.1nm）照射后所产生的双光子吸收的光谱特性及其形成机理。

Spectral property and formation mechanism of two photon absorption of KBr crystals irradiated with nitrogen laser ( 337.1 nm ) at room temperature are investigated .