查询词典 optical grating

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。

In this paper,we introduced the progress of chirped fiber grating and its application in optical communication field and sensor field.

文章简要介绍了Chirped光纤光栅的制作方法与传感应用，分析了Chirped光纤光栅的调谐原理和调谐性能。

Fiber grating is one of the most promising and representative passive optical fiber devices.

目前，光纤光栅已成为最具有发展前途，最具有代表性的光纤无源器件之一。

Optical diffraction is a physical phenomenon that have great applied value, the grating of subwavelength microstructures hold several specific properties beyond the ordinaries.

光的衍射是一种很有应用价值的物理现象，而亚波长微结构光栅具有一些常规光栅没有的独特衍射性质。

The topographies of silicon gratings have been measured by SEM, the experimental results indicate that the samples have good uniformity grooves and grating facets of excellent optical quality.

利用扫描电子显微镜进行了光栅表面形貌测试，试验结果表明，制作的硅光栅样片具有良好光学特性的反射表面和光栅槽形。

Objective lens, collimating mirror, diffraction grating Application Products: CD, DVD optical read head, biotechnology, laser application.

主要产品： 1。物镜、准直镜、衍射光栅应用产品：CD、DVD光学读取头、生物科技、激光应用。

For the interaction between optical surface and wavefront, the models of random phase plate and combination of random grating are used to explain the relationship.

对于光学表面对光波场的作用，我们认为可以将光学表面的面形偏差看作是随机位相板或多个正弦光栅的拟和。

When illuminated with a broadband optical source at a fixed angle of incidence,linear translation of the grating always lead to a linear shift in the wavelength of the detected signals collected at a fixed angle.

考虑国内外的研究现状和结合现有的技术，西安某所开展了变栅距光栅位移传感器的研究，在样机实验中取得了圆满成功，并开始了从原理样机走向工程样机的研究。

The theoretical method presented here can be employed to forecast the shift of the resonance wavelength, and to help the design and fabrication of the metal-coated LPFG.

标 签 导波与光纤光学长周期光纤光栅金属包层光纤三层介质光纤包层模 guided wave and fiber optics long-period fiber grating metal-coated fiber three-layered optical fiber cladding modes

In this thesis, several fiber grating-based photonics devices for optical communications and sensing applications have been investigated theoretically and experimentally.

本论文就光纤光栅在光纤通信器件及光纤传感领域的几个应用作了较深入的理论和实验研究。

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。