光子

This invention discloses a adjustable long-cycle light fiber grating which is not sensitive to the polarization and belongs to photon technique field.

本发明公开了一种对偏振不敏感的可调长周期光纤光栅，属光子技术领域。

This invention discloses a adjustable long-cycle light fiber grating which is not sensitive to the polarization and belongs to photon technique field.

要約 本发明公开了一种对偏振不敏感的可调长周期光纤光栅，属光子技术领域。

The bone mineral densities of all mandibles were measured by single-photon absorptiometry bilaterally 1.5 months and 3 months after extraction.

在实验1.5个月和3个月时应用单光子骨密度仪对各组大鼠下颌骨双侧进行骨密度测量。

A directional coupler is composed of multiple photonic crystal monomode waveguides placed in parallel and adjacent to each other.

定向耦合器由多个光子晶体单模波导平行、邻近放置构成。

Based on Stuart et al.'s electron density evolution equation, the electron density evolution process in fused silica film irradiated by short-pulse laser for τ∈[0.015] ps were studied by means of numerical method. The effects of initial electron density N and laser pulse width τ on laser threshold intensity I and damage threshold fluence. F were analyzed respectively.

基于STUART等人的电子密度演化方程，运用数值模拟方法，研究了脉宽为τ∈[0.01， 5]ps范围内单脉冲激光作用下熔融石英薄膜中电子密度演化过程；讨论了初始电子密度、激光脉冲宽度对阈值功率密度和阈值能量的影响；分析了初始电子密度、激光脉冲宽度对多光子离化及雪崩离化的影响。

From the kinetic differential equations of the photon in the equatorial plane of the spherical symmetrical gravity field, the post-post-Newtonian amendments for radar echo delay test in the Reissner-Nordstrm field are discussed using the post-Newtonian approximation method.

从球对称引力场中光子在赤道面上的运动微分方程出发，采用后牛顿近似方法，讨论了Reissner-Nordstrm度规场中雷达回波延迟实验的后后牛顿修正。

This thesis presents recent approaches in the development of a Si-based waveguides system for submicrometer devices.

本篇论文介绍了许多最近以矽为基底的光子导线之发展。

This kind of coupling waveguides can decrease the coupling loss between the optical fiber and photonic crystal structure.

这些耦合波导能够降低光纤和光子晶体结构之间的耦合损耗。

For focusing on the selected layer in 2-photon multi-layer fluorescent data storage, a varifocal layer-selection technology based on present optical disk system and two-element lens technology is proposed.

为了在双光子多层荧光数据存储中实现对信息层的跟踪聚焦，基于目前的光盘存储系统和双元透镜控制方案，提出了一种变焦选层技术。

Photon Cannons, or the l it tle hand thingies.

光子炮，就是那个小手一样的东西。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。