查询词典 optical fiber

Many types of optical transmission, and here I step on the weak-guided wave fiber wave equation to study and understand the step-index optical waveguide mode, are second-order differential equations Bessel equation.

光纤传输的种类很多，在这里我只对阶跃型弱导波光纤波动方程进行研究，了解阶跃折射率光纤的波导模式，得到二阶微分方程Bessel方程。

Specializes in fiber-optic passive components research and development, production, marketing and related technical services, production optical passive components, with substantial manufacturing and improving the optical properties of fused biconical taper machine technical capacity.

上海斯坂特光纤通讯器件有限公司专业从事光纤无源器件的研发、生产、销售和相关的技术服务，批量生产光纤无源器件，具有大量制造和改进光纤熔融拉锥机性能的技术能力。

Based on deep understanding on the relation between the properties of biconical fibers and the fusion temperature, a problem of fusion temperature monitoring is solved by means of a ceramic microheater and a fiber pyrometer. Effects of the fusion temperature on optical properties of biconical fibers are studied quantitatively. Biconical fiber devices with various filtering spectra are fabricated. Experimental results agree well with theoretical predictions.

根据对双锥光纤成形及光学特性与加热温度的深入理解，采用陶瓷管辐射加热和光纤高温传感新技术，解决了长期以来熔锥温度不易监测的关键技术难点，定量研究了熔锥温度对双锥光纤光学特性的影响，研制出多种具有不同滤波谱形状的双锥光纤器件，实验与理论模型预测的结果一致。

Optical burst switching ; Switch control strategy ; Optical buffer ; Fiber delay line

光突发交换；交换控制策略；光缓存；光纤延迟线

To meet the needs, a novel low-noise fiber laser with compound cavity structure is designed. The stable single-mode operation is realized by using a transient self-written fiber grating, produced by the effect of saturable absorption within a section of unpumped erbium-doped fiber, as narrow band filter for mode selecting and linewidth squeezing. Through optical path modification, the spectral signal-to-noise ratio is better than 62 dB.

激光器采用复合腔结构，以掺铒光纤作为工作物质，通过在未被抽运的掺铒光纤中形成的瞬态自写入光纤光栅的窄带滤波特性进行选模和压窄线宽，产生稳定的单频激光输出；经过光路改进，激光输出光谱信噪比优于62 dB；利用光电负反馈电路，弛豫振荡峰下降了约25 dB，低频段强度噪声也大为改善，有效地抑制了光源的强度噪声。

Spatial holeburning caused by ununiform widening of erbiumdoped fiber barricades the fully gaincontrolled amplification of laser with single wavelength. A novel configuration of automatic gainclamped optical erbiumdoped fiber amplifier is presented, and a high-birefringence fiber Bragg grating is used to generate pumping lasers, peaks of which are written at 1549.3 nm and 1549.83 nm with a wavelength spacing of 0.53 nm.

掺铒光纤非均匀展宽引起的空间烧孔现象导致单波长激光并不能完全控制放大器增益，提出了一种新颖的自动增益控制掺铒光纤放大器的结构：即采用高双折射光纤布拉格光栅产生抽运光，其写制光栅的波峰对应的波长分别为1549.3 nm和1549.83 nm，波长间隔为0.53 nm。

The requirements of Interference fiber optical gyroscope, optical time domain reflectometer,biomedicine optical coherence tomograph.

讨论了在干涉型光纤陀螺仪、光时域反射计、医学相干检测技术、波分复用技术中对SLD的要求。

Ningbo Jian Li Electronics Co., Ltd. are specializing in a variety of optical research and development, design, production and marketing of high-tech enterprises, is the nation's largest manufacturers of fiber-optic equipment, and products are mainly concentrated in the fiber optic adapter, connector, jump Line / pigtail, fiber optic beam loaded as well as the field wiring closet.

宁波健立电子有限公司是专业从事各种光通信器件的研发、设计、生产和销售的高新技术企业，也是国内最大的光纤器材生产厂商之一，产品主要集中在光纤适配器、连接头、跳线/尾纤、束装光纤以及配线柜领域。

"Core alignment splicers have long been the preferred method for CATV installations, backbone networks, specialty fiber applications, and optical components manufacturing largely because of their high accuracy and reliability," says Jason Greene, manager of fusion splicer products for Furukawa America."The portability of the S177A brings the benefits of core alignment to the growing construction of fiber-to-the-home and other space-constrained fiber optic cable installations."

Furukawa美国公司光纤融接机产品经理Jason Greene先生表示，由于具有芯部对准功能的融接机有很高的稳定性和准确性，所以它对于有线电视的安装、骨干网、特殊光纤的应用以及光学元件的生产来说是一种非常重要和必需的工具；而S177A的便携式功能和设计也为不断增长的光纤到家和其它长远距离的光纤安装需求带来了更多的便利。

It consists of a traveling-wave semiconductor optical amplifier, a wavelength selecting element, an optical coupler and in-line optical isolators. All of the components in the setup are fiber pigtailed and commercially available. We have solved the wavelength-dependent rate equation applicable to the FRSLs.

针对这种结构的特点，首先，从理论上建立了FRSLs的物理模型，考虑到行波式半导体光放大器增益谱特性，引入Lorentz型波长修正项，得到适用于FRSLs的单模行波速率方程，继而通过求解方程，推出了光子流密度分布的解析表达式。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。