损耗 1.(损失消耗) loss; wear and tear; deterioration; waste 摩擦损耗 friction loss; 屏蔽损耗 shadow loss; 意外损耗保险 accident insurance; 重量损耗 shrinkage;2.[商业] wastage; spoilage 降低损耗 reduce the wastage; 损耗不大。 the wastage is not very great.; 损耗标准 loss standard; 损耗测定 loss determination; loss measurement; 损耗测量 loss measurement; 损耗测量仪 loss measuring instrument; 损耗费 cost of wear and tear; 损耗估算 [电工] loss evaluation; 损耗量 waste; 损耗率 proportion of goods damaged; attrition rate; 损耗模量 loss modulus; 损耗失效 loss failure; 损耗系数 loss factor; coefficient of losses; 损耗因数 dissipation factor; loss factor; 损耗因子 dissipation factor; loss factor; 损耗元件 losser
相关 be interrelated; be related to; be bound up with; correlation; dependence; relevance; mutuality 轻工业和农业密切相关。 light industry is closely related to agriculture. 失业数字不一定与 物价上涨相关。 the unemployment figures are not necessarily bound up with the rise of prices
Pdl measurement of polarization dependent loss of single - mode fiber optic components 单模光纤元部件的偏振相关损耗
This paper introduces a kind of technology , by which a new type of polarization delay structure is used to manufacture narrow - channel - interval interleavers , which arc characteristic of small in insertion loss , polarization dependent loss and polarization mode dispersion , and easy in assembly 文章介绍了一种利用偏振延迟结构制作窄信道间隔的梳状分波器的技术,使用该技术制作的梳状分波器具有插入损耗低、偏振相关损耗低、偏振模色散小且组装方便等特点。
In developing the planar lightwave circuits , the coupling loss between a waveguide with a high refractive index difference and a single mode fiber is considered . a novel spot - size converter based on a y - branch structure is proposed and numerical simulation results indicate that it can reduce the coupling loss effectively with low polarization dependent loss and good fabrication tolerance 在平面波导光器件研制中,提出了高折射率差二氧化硅波导与光纤的新型低损耗连接,与现有波导单侧变窄的结构相比较,有效的降低了连接损耗,同时具有偏振相关损耗低,工艺容差性好的优点。
In order to measure the characteristics of such semiconductor optical amplifier , we adopted a set of measurement system . this measurement system can be used to measure the characteristics of all kinds of active or inactive optical passive components . such device presents good polarization insensitivity ( < 0 . 9db ) , wide 3db bandwidth ( > 33nm ) at 0 - 200ma and different input signal light wavelength and power , the maximum fiber - to - fiber gain of 10db , lossless operation current of 50 - 75ma for different input signal light wavelength and power , large extinction ratio ( > 50db ) and lower noise figure ( nf ) ( < 8db ) 与张瑞英博士一起,首次利用该种有源区结构制备出偏振不灵敏半导体光放大器,并在0 - 200ma注入电流范围内获得33nm的3db带宽,在不同信号波长,不同信号功率0 - 200ma的注入电流范围内,偏振相关损耗均《 0 . 9db ,在耦合差损为7db / facet的条件下,最大fiber - to - fiher增益达10db ,无损操作电流为50 - 70ma ,消光比达50db以上,而噪声指数则低于8db ,最小可达4 . 6db 。