研究了棱镜消光比变化引起的误差。
The errors caused by prism extinction ratio variation are investigated.
集光比的数值,往往可以从几十到几千。
介绍一种三波长的激光晶体消光比测试仪。
An instrument with three wavelengths for measuring the extinction ratio of laser crystal is described.
该系统得到了很好的性能,具有很高的消光比。
Whole system is immersed in an oil tank. Such a system has good performance, especially high extinction coefficient.
测试了晶体的光折变阈值、双折射梯度和消光比。
The optical refraction threshold. birefringent gradient and extinction ratio were measured.
使用该模型分析了增益钳制特性和转换后信号的消光比。
This model was used to analyze gain-clamping characteristic and the extinction ratio of wavelength-converted signal.
此外本方法也适用于计算各种类型双折射滤波器的离轴消光比。
Moreover, the method is suitable for computing the off-axes extinction ratio of all kinds of birefringent filters.
光比声音快。这就是大部分人在说话之前看起来都很聪明的原因。
Light travels faster than sound. That's why most people seem bright until you hear them speak.
从而研究了待转换的信号光及偏置电流对转换光功率和消光比的影响。
As a result, the influence of signal light and bias current to the power and extinction ratio of converted light is studied in detail.
调制晶体的性能好环,通常是由半波电压和消光比这二个量来表征的。
The "half-wave voltage" usually was used to assess the modulated property of different eleetrooptic crystals.
通过实验测试,该形式棱镜的透射比均在95%以上,消光比优于10。
The experiment indicate that the transmittance of the prism is more than 95 %, and the extinction ratio is better than 10~(-5).
在环形腔内加入光纤偏振控制器和具有高消光比的保偏环行器获得单偏振光。
Fiber polarization controller and polarization-maintaining optical circulator with high extinction ratio were incorporated in the loop cavity to acquire single polarization output.
这个系统放出的光比平常的萤光还亮,因此即使样本只含有少许病原体也能分析。
The light is brighter than normal fluorescence, allowing the analysis of samples that contain only a few pathogens.
该通信系统还受背景光、雪崩光电二极管(APD)增益和调制消光比等因素的影响。
The results also show that the performance of this communication system can be affected by background optical, APD gain and modulation extinction ratio.
输出宽度可通过延时在一定范围内调节,消光比达50000倍,透射率大于90%。
Moreover, the output pulse duration can be adjusted within specified range, the extinction coefficient reaches 50000, and the transmittivity is higher than 90%.
我就是从那里了解了光比声音传播速度快的,因为声音总是和飞石差不多一样的速度。
That's where I learned that light travels faster than sound, which is almost as slow as a flying rock.
理论分析和实验测试表明,该棱镜消光比优于10 -3,且可以实现大的横向剪切。
It can be approved by the theory and experiment that the extinction ratio of the parallel beam splitter is better than 10 ~ (-3), and the shear difference is improved too.
最后分析了全光译码器的输出功率和输出消光比与输入泵浦光功率、探测光功率之间的关系。
Finally, it also analyzed the relationship between the input pump power and the probe optical power and its output power and output extinction ratio.
为了保持工作中的稳定平均输出功率和恒定消光比,采用了温度补偿电路和自动功率控制电路。
To maintain the constant average optical power and extiction ratio, the temperature compensation loop and automatic power control loop are incorporated in this chip.
理论及实验结果的吻合证明了光学电流传感器稳定性直接受偏振分束器两路消光比影响的结论。
The consistence of theory and experiment results has proven the decision that sensor stability is directly affected by the two extinction ratios of PBS.
介绍了一种使用偏振分光棱镜的新型光桥式补偿技术,并对因棱镜消光比变化导致的误差进行了研究。
A novel optic bridge compensation technique using a polarization splitting prism is introduced, and the errors caused by the changes of prism's extinction ratio are studied.
介绍了这类开关的一种结构,它有理想的消光比,并具有校准方便,对沿Z轴长度无严格限制等特点。
A structure of the switch is given, which has an ideal extinction ratio and is characterized by its easy alignment and no strict confinement of the length along Z-axis.
偏振控制器要求有快的响应速度,大的消光比,小的波动,并能无端复位或不需复位就可进行无端偏振态控制。
It requires fast response speed, big extinction ratio, small fluctuation with endless reset or reset-free SOP control.
讨论了系统性能对消光比劣化的敏感程度问题,并给出了评价方法,并据此对跳频系统和直接序列系统进行了比较。
Sensitivity of system performance to extinction ratio degradation and its evaluation were studied. Based on these analyses, the sensitivity of FFH-OCDMA system was compared to that of DS-OCDMA system.
通过具体的理论分析,指出反斯托克斯散射光比斯托克斯散射光的温度灵敏度高,是此类系统解调温度信息的首选对象。
The analysis shows that the anti Stokes light temperature sensitivity is much higher than Stokes light and it is why all such sensor systems generally use it for temperature information.
丈量是与偏振分束多维 (外周血干细胞)用于传输,并且自己们恪守偏振消光比超越 500: 1这两个基地。
The measurements are made with polarizing beam-splitting cubes (PBSC) used in transmission, and we observe polarization extinction ratios in excess of 500:1 for both bases.
论文利用消光比原理中系统所要达到的消光比值公式,借鉴消光比测试的分析方法,推导出了无靶板检测技术的原理公式。
On the formula of extinction-ratio value, this paper deduced the theoretic equation of the extinction-ratio test method without target.
详细研究了反转光脉冲的峰值功率、脉冲宽度和消光比等重要物理参量以及反转光脉冲继续在常规单模光纤中传输时的演变特性。
We focus on the peak power, pulse width, extinction ratio of conversion optical pulse and the transmission property of conversion optical pulse in standard single mode fiber.
减小探测光输入功率,选取短波长探测光波长,增加半导体光放大器的腔长和模场限制因子以及大的偏置电流可提高转换光消光比;
Meanwhile extinction ratio of converted signal can be improved with low probe power, short probe wavelength, long cavity length, high confinement factor, and large biased current.
研究发现,较大的激光器注入电流可以有效地抑制频率啁啾,较高的注入信号光功率则可以在保证高转换信号消光比的同时抑制频率啁啾。
The results show that higher injected current can restrain the frequency chirp effectively, and higher input optical power can also do that, meanwhile, good extinction ratio is ensured.
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