photon absorption

Research on three-photon absorption in GaAs semiconductor

GaAs半导体中三光子吸收的研究

And the dispersive curves of three-photon absorption coefficients in GaAs are given for different models.

同时还给出了GaAs中三光子吸收系数的色散曲线。

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.

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。

Based on the Compton effect and photon absorption effect, the system can achieve the double energy transmission ( including high energy and low energy) and backscatter detection simultaneously.

该系统根据X射线的光子吸收效应和康普顿散射效应，能同时实现背散射和透射双能（高／低能）探测。

For the lasers with symmetrical waveguide, the photon absorption of the non-active region material is proportional to the doping concentration of material, which causes serious absorption loss.

对称波导结构激光器中，非有源区材料对光子的吸收与其掺杂浓度成正比关系，吸收损耗比较严重。

Taking anthracene-porphyrin-anthracene triads as example, we found that the intra-molecular charge transfer process can largely enhance the three-photon absorption cross-section.

以蒽-卟啉-蒽分子为例，从激发态之间的跃迁密度分析发现，分子内电荷转移过程可以极大地增强三光子吸收。

Influences of Dye Solution Concentration on Two Photon Absorption Cross Section Measurements

染料浓度对双光子吸收截面测量的影响

Study of threshold intensity of two photon absorption in semiconductors

半导体双光子吸收的阈值光强研究

Three-photon absorption properties of two novel fluorene-based derivatives

两种新型芴类衍生物的三光子吸收特性研究

Experimental Study on Photochromic Three-Dimensional Optical Storage under Two-Photon Absorption

双光子吸收光致变色三维光存储实验研究

Intervening ethynyl unit is beneficial to extend the conjugated pathway, and increase the two-photon absorption cross-section.

插入乙炔基有利于扩大共轭范围, 增加分子的双光子吸收截面.

Theoretical Study of One-and Two-Photon Absorption Properties of Pyrene derivatives

芘衍生物的单、双光子吸收性质的理论研究

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。

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

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。

Nonlinear photoconductivity measurement of three-photon absorption in GaAs

GaAs半导体中三光子吸收的非线性光电导测量

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。

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。

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

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

In the visible light region, the maximal one-photon absorption strengths of the molecules occur in the first excited state.

在低能量范围内，对于D-π-A型分子，分子的单光子吸收强度和双光子吸收截面最大值都发生在分子的第一激发态。

Three-dimensional digital optical data storage by two-photon absorption

双光子吸收三维数字光存储

Photon absorption of conduction band electrons in fused silica

石英玻璃中导带电子的光吸收

Of all the physical process, low energy electromagnetic processes is the main interaction between incident particle and scintillator, while photon absorption process, boundary process and photon transmission are also involved. Secondly, the detector performance is studied intensively.

在物理过程中，入射粒子与闪烁体之间主要是低能电磁相互作用过程，还涉及到光子吸收过程、边界过程和光子的传输过程。其次，对该探测器的性能做了比较深入细致的模拟研究。