多光子吸收

NO分子的离子信号强度与UV电离激光能量（λ≈226nm）之间的关系能用二次方曲线很好拟合，它表明光解产物NO分子是通过（1+1）多光子吸收过程而被电离的。

The relation between ion signal intensities for NO and the energy of UV ionization laser can be well simulated with second proportional curve , it shows , NO is ionized by ( 1 + 1 ) multiphoton absorption process .

半导体中多光子吸收跃迁速率的全量子理论分析

All-quantum theoretical analysis of transition rate for multiphoton absorption in semiconductors

根据实验结果，提出了反应模型，认为该反应是多光子吸收而活化的CF2Cl2分子与H2碰撞的结果。

From observations it has been shown that the reaction is the result of collision between the actived .

由此得出了上能级占有几率随时间变化的解析表达式及多光子吸收、Bloch-Siegert频移等有用结果。

Several valuable conclusions on the time - dependence of the occupation probability , the multi - photon absorption , and the Bloch - Siegert shift are drawn .

用耦合簇运动方程计算分子的多光子吸收截面

Multi-photon absorption cross sections calculated by coupled-cluster equation of motion method

甲烷分子振动态的多光子吸收

The multiphoton absorption of vibrational states of methanes molecular selection

红外多光子吸收分离硼同位素研究

Separation of boron isotopes by multiple-photon absorption of infrared radiation

受驱动光学系统腔场噪声的内腔多光子吸收减低

Noise Reduction by Intracavity Multiphoton Absorption in Driven Optical Systems

有机分子材料多光子吸收的理论研究

The Theoretical Study of Organic Molecules Multiple - Photon Absorption

CHClF2分子红外多光子吸收的研究

Experimental Study of Infrared Multiphoton Absorption of CHClF_2 Molecules

二氯一氟甲烷红外多光子吸收的研究

A Study of Infrared Multiphoton Absorption of Deuterium Freon-21

实验研究了飞秒激光脉冲诱导熔融石英的非线性吸收特性，利用激光诱导自由电子等离子体浓度取决于多光子吸收系数和入射光强的关系；

The nonlinear absorption of fused silica induced by femtosecond laser pulses is investigated experimentally .

三氯化硼红外多光子吸收分离硼同位素过程中氟氯化硼的生成

The formation of boron fluoro-chloride in the separation of boron isotopes by multiphoton absorption of BCl_3

电离限以上的多光子吸收

Multiphoton absorption above ionization threshold

在受驱动光学系统中增设内腔多光子吸收元件是抑制腔场噪声的有效手段。

A intracavity multiphoton absorber in driven optical systems is a effective means to depress the internal field fluctuation .

利用多光子吸收过程实现频率上转换的激光发射在光电子学特别是生物光子学领域具有广泛的应用前景。

Frequency up-converted lasing pumped by the process of multi-photon absorption is promising for the myriad applications in biomedical optics .

用局部模式哈米顿算子来描述甲烷在强激光场中的多光子吸收。

A local mode Hamiltonian is used to describe the multiphoton absorption of vibrational states of methanes in an intense laser field .

实验研究了氘化氟里昂-21（CDFCl2）和氢氟里昂-21（GHCCl2）在951cm~（-1）附近的红外多光子吸收。考察了温度、压力、激光频率和强度对吸收的影响。

The dependence of IR multiphoton absorption of CDFCL_2 on the laser frequency , fluence , pressure and temperature was experimentally studied .

研究了在是否考虑多光子吸收损耗的情况下，激光成丝状态的演化。

Numerical results were derived on the developing process of filamentation under the situations of whether or not taking account of multiphoton absorption dissipation ( MPA ) .

飞秒激光脉冲紧聚焦到透明介质体内，将导致多光子吸收过程，促使材料体内形成一个微米尺度的结构改变。

An intense femtosecond pulse tightly focused inside the transparent material will induce a multi-photon absorption process , leaves permanent structure changes with micrometer precision in the material .

研究表明：多光子吸收损耗会破坏自聚焦与等离子体散焦之间的动态平衡，进而引起成丝的不稳定性；

It is shown that a dynamic equilibrium between optical self-focusing and plasma defocusing will be broken due to the MPA , which can induce instability of femtosecond filamentation .

功能材料多光子吸收性质的研究是目前国内外光电子领域的前沿热点研究内容之一，属非线性光学范畴。

The study dealing with the Multiple-photon absorption properties of materials is one of the hotspots in Optoelectronics field . It belongs to a part of nonlinear optical areas .

目前人们普遍认为，超短超强脉冲激光在空气中自聚焦传输形成等离子体通道主要是衍射、色散、克尔效应和多光子吸收共同作用的结果。

It is now widely believed that the formation of plasma channel in air is mainly due to the combined action of diffraction , dispersion , Kerr effect and multi-photon absorption .

进入二十一世纪，随着高功率、超快激光技术的发展，多光子吸收诱导荧光技术成为研究材料的光物理特性的一种重要手段。

In the 21st century , with the development of high peak power and ultra-shot-pulses lasers , multi-photon absorption induced fluorescence technique has become an important tool for the investigation of physical properties of materials .

本文在多能带及二能带理论模型下，对多光子吸收跃迁速率的一般表达式进行了化简，并对非线性相互作用项对跃迁速率的贡献，作了讨论。

Using a multi-band model and a two-band model , the simplified expressions of transition rate for multiphoton absorption are separately given . And the contribution of nonlinear term in the interaction to the transition rate is discussed .

在激光写入的过程中，激光焦点处较高的光能量通过非线性的多光子吸收沉积在衬底中，使得写入处材料结构发生变化，折射率的改变就是这种材料改性的结果之一。

During the inscription process , high optical energy at the laser focus would be deposited inside the materials due to the nonlinear multi-photon absorption , resulting in a highly localized structural modification to the materials , one example of which is refractive index change .

CF3CDCl2分子红外多光子光热吸收谱

The optothermal spectra of infrared multiphoton absorption of cf_3cdcl_2