论文给出了模场分布和光功率与模折射率的关系。
Modal field distributions and relations between optical power and modal index are given.
白炽灯避免可能的光功率转换成有用的只有10%。
Avoid incandescent lamps that may convert only 10% of its power into usable light.
光功率测量是光纤通信系统最基本的测试参数之一。
Optical power measurement is one of the basic testing parameters of fiber-optic communication system.
该式仅与激光器自由运转时的参数及注入光功率有关。
The expression is only related to the free-running laser parameters and the injected power.
研究了偏心激励多模聚合物光纤横截面的光功率分布。
Numerical and experimental studies of cross sectional optical power distribution (OPD) in polymer optical fiber under offset launch are given.
在光发送机中采用过调制技术来提高激光器的输出光功率；
Overmodulation may be employed in the optical transmitter to increase the output power of laser diode.
结果表明，这种透镜的成像特性与光线轨迹依赖于光功率。
It is shown that the imaging properties and the ray paths of such lenses depend on the optical power.
介绍了一种监测平均光功率的数控功率和调制的可视激光驱动器。
In this paper, a type of visible laser driver with numerically controlled power and modulation monitoring the average light power is presented.
测试结果表明，空心光纤随薄板材料形变输出光功率发生明显的变化。
The test results show that the luminous intensity of hollow center optical fiber changes obviously with the strain of the sheet.
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.
给出了光功率在光纤中的传输损耗及各种均匀媒质分界面上的反射损失。
It gives the transmission consumption of light power in light fiber and the consumption of reflection on interfaces of divisional homogeneous mediums have been investigated.
由于光纤通信系统中光功率很低，使得满足晶体的相位匹配变得更加重要。
And due to the low optical power of the optical communication system, it is more important to match the crystal phases.
因而基于硅双结色敏器件的光功率、波长同步测量系统有着广阔的应用前景。
So the light power and wavelength synchrometer system using dual junction silicon color sensor has a hopeful future.
报道了应用于激光光谱学中直接测量短脉冲光峰值光功率的双通道测量系统。
A dual channel measurement system applied in laser spectroscopy for direct measurement of peak power of short light pulses is reported.
结果表明，它的变换特性依赖于光功率、入射光束的束腰、物距以及透镜参数。
It is shown that the transformation characteristics depend on optical beam power, the beam waist of incident beams, object distance and lens parameters.
阐述了目标的漫反射特性对非合作目标相位式激光测距仪中光功率探测的重要性。
The importance of the diffuse reflectivity of the reflective target for the non-cooperative laser rangefinder is presented.
结果表明，入射的泵浦光功率及入射的探测光功率的大小对噪声变换有直接的影响。
The numerical simulation results show that the input pump power and probe power have direct influences on the noise conversion.
这种光衰减器是由电磁驱动插在两对准单模光纤间隙中的挡光片来实现光功率的衰减。
The device consists of an electromagnet moving ferronickel optical shutter interposed in a fiber gap, and it's actuation causes optical attenuation.
本文讨论在半导体激光器电源中采用反馈技术来稳定激光器的驱动电流和输出光功率。
This paper analyses the feedback technology for the power supply of semiconductor laser, which is used for stabilizing the driving current and the optic output power of semiconductor laser.
通过控制一个可调谐注入激光器的光功率实现了该激光器的波长切换和主输出端口切换。
Wavelength switching together with the switching of the dominating output port of the fiber laser is achieved by controlling the power of a tunable injection laser.
注入电流不变时，其输出光功率随管芯温度的升高而减小；峰值波长随温度升高而增大。
The peak wavelength decreases with the increasing of work current, however it increases with the rising of temperature.
比较结果表明，双极性地址码方案可提高系统性能；另外，提高光功率还可改善系统性能。
The results show that the scheme of the bipolarity address code and the higher laser power can improve the system performance.
得到了波长转换效率与半导体光放大器特性参数以及注入泵浦光功率等关系的解析表达式。
An analytic expression is developed describing the relationship between conversion efficiency and the characteristic parameters of SOA and input pump power.
从理论和实验上分析了剩余反射率与SLA的输出光功率关系及温度对其输出功率的影响。
The relations among the residual reflectivity, temperature and the output power of SLA are analyzed theoretically and experimentally.
稳定光源和光功率计正是诸多急待开发的光纤系统测量仪器中的常用的、重要的基础设备。
Steady laser source and optical power meter are important fundamental equipments in many fiber system measure instruments that need empolder urgently.
得到了在光纤中传输的脉冲光功率的系综平均值和输出脉冲宽度的均方根值的近似解析公式。
Formulas are derived for the ensemble average of the pulse power and the RMS pulse width.
结果表明，VCSOA的频率响应特性受抽运光强度、输入光功率以及自发辐射因子的影响。
The results show that the frequency response characteristics of VCSOAs are influenced by the optical pump intensity, the input optical power and the spontaneous emission factor.
结果表明，VCSOA的频率响应特性受抽运光强度、输入光功率以及自发辐射因子的影响。
The results show that the frequency response characteristics of VCSOAs are influenced by the optical pump intensity, the input optical power and the spontaneous emission factor.
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