查询词典 optical

The birefringence effect in transmissive optical components caused by thermal stress in complex environment is harmful for image quality of optical systems.

复杂环境中的透射光学元件中通常存在热应力，由此引起的双折射效应将损害光学系统的成像质量。

As the optical diffraction and interference of light revealed the volatility of light polarization phenomenon is that all the optical and electromagnetic wave is transverse wave.

正如光的干涉和衍射现象揭示了光的波动性，光的偏振现象则表明了光及所有电磁波是横波。

High power ultra short optical pulses is a key tool in basic science study and large capacity high speed optical fiber communication.

高功率的超短光脉冲作为基础科学与应用科学研究的一种强有力的工具和大容量高速光通信中的关键技术而日益引人瞩目。

The optical disector technique solves these problems preferably,and becomes the most active unbiased estimate particle number's stereology technique.This article explains the optical disector's ...

对其原理、应用方法等进行了阐述，说明了其优势，鉴于针灸治疗脑病的优势，总结了近年来其在脑神经相关疾病中的应用，希望能对针灸机理研究带来帮助。

The present invention relates to a method and a system for calibrating optimized power of an optical pick-up unit of an optical disk drive.

本发明涉及一种光驱中光学读写单元的最优功率校准系统及方法。

With the aid of Zemax software, a three-mirror, unobscured, high-resolution optical system with large aperture, long focal length was successfully aligned by first collecting interferograms from several fields of all image plane, and obtaining the wavefront error, namely, obtained wavefront Zernike polynomials; then using the self-made program package to calculate the optical system misalignment.

利用Zemax光学设计软件与自编计算机辅助装调软件，实现了对大口径、长焦距、无中心遮拦离轴三反射镜光学系统的装调。通过Zemax软件模拟光学系统的失调模式，得到整个光学系统的波前像差，把波前像差代入到自编的复杂光学系统计算机辅助装调软件中，计算出光学系统的失调量，与引入的失调量对比，证明了其正确性。在实际的装调过程中，用小型球面干涉仪分别收集3个视场的干涉图，得到失调光学系统的失调量，用Zemax软件验证失调量数据的正确性，从而指导装调。

Though there is no unrealizable technical difficulty for FTTH, its success shall highlight the following aspects and integrate efforts to solve the key points: develop new device and kernel control chip adapting to features of FTTH, reduce the cost of optoelectronic devices and passive devices; develop low cost, easy installation indoor optical fiber, cable and linker as well as matching construction equipments and tools; develop high density, easy operation optical fiber distribution frame; and develop concentrated remote monitor, management techniques and systems.

FTTH技术是未来宽带接入的主要模式，从长远来看也是其他技术无法取代的，FTTH虽然没有技术上不可实现的难点，但要使FTTH走向成功，以下方面值得重视并应集中力量攻关：开发适应FTTH特点的新型器件和核心控制芯片，降低光电器件和无源器件的成本；开发低成本、易安装的室内光纤、光缆和连接器及相配合的施工仪器工具；开发高密度、易操作的光纤配线架；开发集中的远程监视和管理技术及系统等（178）。

The film optical constants in 300~700 nm waveband are obtained and the relation between microstructure and optical constants is also discussed.

用场发射扫描电子显微镜FE-SEM研究了薄膜表面微结构，并讨论表面微结构与光学性能间的关系。

In this thesis, a series of SOI-MMI optical waveguide components and optical switches are studied.

本文开展了一系列基于SOI材料的MMI型光波导器件和光开关的研究。

In this thesis, a series of SOI-MMI optical waveguide components and optical switch es are studied.

本文开展了一系列基于SOI材料的MMI型光波导器件和光开关的研究。

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。