查询词典 optical

The high efficiency and high power semiconductor laser with multi-active regions which are cascaded by reverse biased tunnel junction has a higher inner quantum efficiency which can larger than 1, so that it can output higher optical power at the same injected current compared with the normal lasers, meanwhile, it can be designed to large coupled optical cavity, so it will increase the limit of the electro-thermal destroy and the COD.

通过反向偏置隧道结将多个有源区级联起来的多有源区耦合大光腔高效大功率半导体激光器从理论上解决了传统激光器存在的问题，由于其内量子效率大于1，可以在相同电流下输出高的光功率，且可以制成耦合大光腔结构，增大了光腔面积，因此相对于传统激光器而言，其电热烧毁和COD水平都会提高。

Based on low satellites on orbit and STK platform, some parameters of space-based optical system such as observation direction, Right Ascension of the Ascending Node and True Anomaly are set and optimized in this paper, which will lay a foundation theoretically for the design of space-based optical system.

本文以在轨运行的低轨卫星为研究对象，以卫星工具包STK为平台对天基光学系统的观察方向、升交点赤经和真近点角等参数进行了优化设置，为天基光学系统的设计任务奠定理论基础。

When the optical wavelengths adding/dropping and routing are realized in control plane, transport plane is lack of intelligent monitoring and adjusting to optical level signal. Because of dispersion, power unequalization and somthing else, the transmission quality of ASON can not be guaranteed.

在控制层实现光路的拆分、上下和路由时，传送平面缺少对光信号智能的监控和调节，由于色散、功率不均衡和信号的损伤，ASON的传送质量和业务的生存性就无法得到保障。

The items of Zernike polynomials have corresponding meanings of Seidel aberrations. The method of using Zernike polynomials to fit optical surfaces has been widely used in project, optical design software and interference check.

由于Zernike多项式的各项与光学像差有相应的对应关系，用Zernike多项式对镜面面形数据进行处理的方法已经广泛应用于工程项目、光学系统设计软件和干涉检查等。

To form the theory and method of hybrid refractive-diffractive optical design that can join to the Chinese conventional optical design system, the primary aberration theory expressed by PWC about HRD systems has been investigated, and the function relation between Seidel sums and P, W, C, between ∞,∞,∞ and the diffractive lens structure have been established.

为了形成与中国传统光学设计体系相街接的折衍混合光学设计的理论和方法，研究了PWC表示的折衍混合薄透镜系统初级像差理论，建立了赛德尔像差和数与P、W、C的函数关系，以及∞、∞、∞与衍射透镜结构的函数关系。

For improving optical wavelet transform,optical separable wavelet transform is proposed.

为改进光学小波变换，提出了光学可分离小波变换的概念。

Reliability of the transmission-type optical smoke detector s is affected by sensitivity of optical components to parasitic effects, especially to temperature.

传导型光学烟雾探测器的可靠性会受到光学元件寄生效应灵敏度的影响，特别是温度。

It's purpose is to develop high temperature particle spectral radiation property measurement equipment, carries out online measurement on high temperature particle, realizes the theoretical and experimental research on high temperature particle optical property, offers different temperature optical property measurement data base.

本课题来源于国家自然科学基金重点项目(编号：50336010)，红外辐射特性及传输的多尺度多参数分析项目的一部分，其目的是研制高温粒子光谱辐射特性测量装置，对高温粒子进行在线测量，通过该装置实现对高温粒子的光学特性的理论和实验研究，提供不同温度下的粒子的光学特性测量数据库。

Keywords Composite materials, Non-linear optical response, Spectral representation theory, Self-consistent mean field approximation, Optical bistability

Article From 苏州大学；理论物理硕士论文 2004年度颗粒复合体系；非线性光学响应；谱表示理论；自洽平均场近似；光学双稳

High-precision spherical components have been widely used in precision machinery and aerospace industry, and spherical curvature is one of determinant to the capability of optical components, and the measure of it is an important matter in the optical component manufacture. So the research of the high precision measurement of spherical curvature has important significance.

中文摘要高精度球面元件在精密机械和航天工业中的应用越来越广泛，在光学生产的加工制造过程中也大量需要对具有球面形状的透镜的曲率半径进行高精密测量的情况，因此，球面元件曲率半径的精密测量对高质量球面样板，光学系统的质量控制等方面具有重要的意义。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。