1) fiber-loss
光线损耗
2) optical loss
光学损耗
1.
The optical loss,optical constants,optical band gap and cut-off wavelength were deduced on the basis of the transmittance and reflectance curves.
采用分光光度计测量了样品的透射率和反射率光谱曲线,并在此基础上进行了光学损耗、光学常数以及带隙和截止波长的计算。
2.
It is shown that the short ultraviolet optical loss will decrease with the reduction of the bias voltage of the APS ion source when it changes between the two ranges of 140~120 V and 90~ 50 V,but it is not sensitive to the bias voltage in the range of 110~90 V.
结果表明:当APS源偏转电压在120~140 V及50~90 V两个范围内变化时,HfO2薄膜的紫外短波光学损耗随着偏转电压的降低而减小,而为110~90 V时紫外短波光学损耗对偏转电压的变化不敏感;偏转电压在50~140 V的范围内时,制备的HfO2薄膜表面及纵向化学成分无明显变化;当偏转电压为100 V时,HfO2薄膜晶粒尺寸及表面粗糙度分别达到最大值26。
3) optical loss
光损耗
1.
Meanwhile, the optical loss and the absorption increase with the increase of concentration of Er.
利用玻璃制备工艺合成了掺Er玻璃材料,并对材料的透射率、光损耗、吸收光谱、发射光谱等光学性质进行了测量和分析。
2.
It is a very important congtent in fiber optical guidance syestem that dynamic range and vary law of optical loss of paying off guidance fiber are tested during the missile s flight.
在光纤制导技术中,研究光纤随导弹飞行而高速释放时的光损耗动态范围以及光损耗的变化规律是其中的一项重要内容。
3.
A reliable and applicable semi-experience calculation model for structure crack remote measurement has been obtained by analyzing the experiment results of the relation between the optical loss in fiber and the crack width.
01mm;在大角度情况下(θ≥45°),存在对实际工程应用非常有利的光损耗饱和效应。
4) optical loss
光耗损失
5) optical path loss
光路损耗
1.
A precise optical power measurement method is introduced in this paper to detect the optical path loss.
针对野战光纤光路损耗介绍一种精密光功率测量方法,分析了PIN光电接收元件的P-I(光功率-光电流)特性,并建立了实际模型。
2.
The difference of optical path loss of each receiving fiber reduces the measurement accuracy of this system.
由于各接收光纤对应光路损耗不同对微角位移测量精度产生影响,提出了光路损耗的归一化修正方法。
6) attenuation spectrum
损耗光谱
1.
Truncation is an efficient way to measure attenuation spectrum of POF.
用平面光栅单色仪对聚合物光纤聚甲基丙烯酸甲酯 ( PMMA)和聚苯乙烯 ( PS)的损耗光谱进行了测量 ,结果 PMMA芯 POF有三个传输窗口 ,分别为 5 2 0 nm,5 74nm,65 0 nm。
补充资料：介质损耗角正切试验(见电容率与损耗因数试验)
介质损耗角正切试验(见电容率与损耗因数试验)
dielectric loss tangent test
)!eZh.sunhooJ一002匕engq一e sh一yon介质损耗角正切试验(dieleetri。1055 tangenttest)见电容率与损耗因数试验。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条