low-loss fiber

Nowadays the high gain , low-loss fiber becomes more and more important as demand of people for fiber-optic communications .

近年来，由于人们对于光纤通信业务量的需求不断提高，高增益、低损耗光纤的研制问题变得尤为关键。

The Preparation of Low-loss Optical Fiber with Microwave Plasma Activated Chemical Vapour Deposition Process

用微波等离子体激活化学气相沉积法制备低衰耗光导纤维

The coupling-transmission characteristics of high power laser beam through a low-loss optical fiber made in China are investigated .

本文研究了高功率激光束通过国产的低损耗光纤的耦合-传输特性。

The invention of semiconductor lasers and detectors , low-loss optical fiber and , later , optical amplifiers , made long-distance data transport feasible .

半导体激光器和检测器、低损耗光纤，以及后来的光放大器的发明使得长距离传输成为现实。

The absorption spectra of methane are confirmed and the spectra characteristics which is fit for low-loss optical fiber to transmit a long way is also discussed .

并确定了甲烷气体的吸收谱线，找出适合普通石英光纤进行较长距离低损耗传输的光谱特性。

In the sensing system , low-loss optic fiber is applied as transmit loop , and 1 / 4 period gradient index rods are used as collimating lens . The sensing length of the system is 3 km .

该系统采用双波长差分吸收测量法，将低损耗的光纤作为传光回路，用1/4周期的自聚焦棒作为准直透镜，能实现3km的远距离遥测。

The appearance of new low-loss transfer fiber and optical amplifier makes the system turn from the traditional loss-limited system into the dispersion-limited system with the increase of the transferring bit rate , the dispersion toleration of the system decreases rapidly .

随着传输速率的提高，系统的色散容限急剧降低，同时新型的低损耗传输光纤和光放大器的出现也使得系统从传统的损耗限制转变为色散限制系统。

The experimental system consists of a high radiation InGaAsP LED at 1.33 μ m , a gas absorption cell and a 2-km long-distance low-loss silica optical fiber link .

遥测系统的实验装置由1.33μm高辐射InGaAsPLED、气体吸收室以及2km长的低损耗石英光纤网络组成。

Low-loss FEP-clad silica fiber

低损耗全氟乙烯丙烯包层石英光纤

Pumped with an A-O Q-switched Nd : YAG laser at 1.06 μ m , a wideband nonlinear scattering spectrum ( 0.8-1.9 μ m ) is obtained in a low-loss multimode optical fiber .

本文利用声光调QNd：YAG激光器的1.06μm输出作为泵浦源，在低损耗多模光纤中获得光谱范围从0.8到1.9μm以上的宽带非线性散射谱。

Such laser is also important for the efficient fiber communication because of the coincidence with the low-dispersive and low-loss spectrum of silica fiber .

因为其与石英光纤低色散和低损耗波长一致，1.3μm波段的超快激光在光纤通信、光传感定位等领域非常重要。

In the optical fiber communication network into optical waveguide devices , aligning and packaging of optical fiber array and waveguide must be solved . There are two key . One is the low-loss alignment of optical fiber and waveguide , and the other is stable and reliable packaging technology .

在光纤通信网络中导入波导器件，必须解决光纤和光波导的连结封装，关键工作有两个方面，一个是光纤列阵与波导的低损耗对接，另一个是稳定可靠的封装工艺。