Modulation depth and coupling efficiency were calculated in the range where LP03 mode are cut-off and LP02 mode are guided.
在少模光纤的LP03模截止且LP02导通的参数范围内，计算了调制深度和耦合效率与少模光纤参数的关系。
Based on computer, laser modulation, fiber coupling and microlens focusing technology, fiber coupled laser diode array is researched.
采用计算机控制技术、激光器调制技术、光纤耦合技术、微透镜聚焦技术，研究了半导体激光器的线阵。
On the basis of the principle of range-Doppler coupling of linear frequency modulation signal, a new method of radial velocity estimation for high coupling coefficient is presented.
本文在分析了线性调频信号距离—多普勒耦合原理的基础上，提出了一种高耦合系数条件下径向速度估计的新方法。
This sensor featuring plane-convex lens collimator for expanding beam and coupling, and a low frequency for light pulse modulation is introduced.
利用平-凸透镜准直器作扩束耦合光学系统，采用低频斩光器实现光调制。
Then the simplified model for the LPFG is deduced with ignoring longitudinal coupling of modes and coupling of cladding modes themselves, and also assuming the modulation of refractive index exis...
忽略轴向的模式耦合以及包层模式之间的相互耦合作用，并认为折射率指数的调制只存在于纤芯中，建立了简化的长周期光纤光栅数学模型。
The numerical simulation results show that the modulation bandwidths is obviously different by varying the active volume at an high spontaneous emission coupling ratio.
数值模拟结果表明：当自发发射因子较大时，对于不同的有源区体积，电流调制带宽显著不同。
The numerical simulation results show that the modulation bandwidths is obviously different by varying the active volume at an high spontaneous emission coupling ratio.
数值模拟结果表明：当自发发射因子较大时，对于不同的有源区体积，电流调制带宽显著不同。
应用推荐