设计了同轴波导FEL放大器的输入耦合器，给出了该输入装置的相关参量。
The design of input coupler for a Ku-band coaxial FEL amplifier is presented. Main parameters are given.
另外在该算法的基础上，对光纤光栅耦合器的开关特性及不同输入功率下的输小响应进行了分析。
Then, we analyzed the switching character of the fiber Bragg gating couplers and the output response under different input powers by this new algorithm.
介绍一种紧凑的、能以较低输入光功率工作的光学双稳器件，由光电检测器、光纤定向耦合器和半导体激光二极管组合而成的。
A compact, low input power optical bistable device, combined with photodetector and optical fiber directional coupler and semiconductor laser diode, was presented.
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