查询词典 optical

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。

Fiber coupler is one of the most important devices among fused taperfiber devices. Its usage ranks second among the optical passive devices.It is used for separating or coupling light. At.present, it is fabricated withfused biconical taper technology at large.

熔锥型光纤器件中最为典型的器件是光纤耦合器，其用量在光无源器件中居第二位，其功能是使传输中的光信号在特殊结构的熔锥区发生耦合，实现分光。

Taking the fiber coupler as represent, aiming at the performanceproblem of the fiber coupler which is used in the market, such as theoptical performance differences of accepted products, technologicaloptimization and stability reflected by the low rate of finished products,how to reduce excess loss, and so on. From the view of manufacture of rheological formation, the research of experiment and theory has beendeveloped. The effects of rheological technological parameters such asdrawing speed and fused temperature on the optical performance,microstructure and the process of rheological formation have beeninvestigated. It is discovered that the present heating mode of combustinggas can\'t satisfy with the rheological manufacturing technological needof high performance fiber devices. A new resistance heating system is putforward, designed and manufactured, and a new fused biconical tapermachine is developed.

论文以光纤耦合器为代表，针对目前市场上广为应用的光纤器件存在的性能问题，如合格产品的光学性能差异，成品率不高所反映的制备工艺优化与稳定问题，如何进一步降低附加损耗等，从光纤耦合器流变成形制造的角度，分析了流变制造工艺参数如拉锥速度与熔融温度及其扰动对流变制造成形过程、微观结构与器件光学性能的影响，发现现有燃烧气体火焰的加热方式不能满足高性能光纤器件的流变制造技术要求，提出、设计并制造了一种新型的电阻加热系统和熔融拉锥机。

Damage of optical materials induced by SBS process under biharmonic laser irradiation.

双谐激光场作用下SBS过程诱导的光学材料破坏；。

Damage of optical materials induced by SBS process under biharmonic laser irradation.

双谐激光场作用下SBS过程诱导的光学材料破坏。

Head to tail type: front is a dense source of the corresponding optical galaxy, and then there are several pairs of gradually increasing bijection of electronic sources and dragged gradually widened the scope of the spectrum index steepens, the intensity gradually weakened radio tail.

头尾型：前面是一个有光学星系对应的致密源，随后有几对逐渐增大的双射电子源并拖着范围逐渐增宽、频谱指数逐渐变陡、强度逐渐减弱的射电尾巴。

Study and fabrication of binary optical element for ICF target uniform illumination.

实现ICF束匀滑的二元光学器件设计与制作。

The theory of image formation with binary optical element is developed in Chapter four to describe and predict the system's performance.

第四章详细讨论了二元光学元件三维光谱、空间成像原理，预计了成像系统特性，建立了数学模型。

Design and fabrication of binary optical element for ICF target uniform illumination.

ICF靶面均匀照明二元光学器件的设计与研制。

A precision servo control system for Binary Optical Element laser direct-writing device is introduced. The structure of the spindle servo system and the performance requirements of the control system are analyzed.

介绍了二元光学元件激光直写设备的精密伺服控制系统，分析了主轴伺服系统的结构与控制系统的性能要求。

I think people in this lifetime in a rebirth.

我觉得人在这一生里其实也在轮回。

He had to tie her hands together.

他不得不把她的双手绑在一起。