Results 111 to 120 of about 1,196,300 (151)

通过功率-电流曲面获得激光器动态特性的方法

open access: yes
一种通过功率-电流曲面获得激光器动态特性的方法,具有以下步骤:步骤1:提供要测试的激光器;步骤2:在激光器的直流输入端接一驱动电源,激光器的高频输入端通过同轴电缆连接到矢量网络分析仪的信号输出端,激光器的输出端通过光纤连接一光探测器,光探测器通过同轴电缆连接到矢量网络分析仪的信号接收端;步骤3:对待测激光器施加驱动电流和高频调制信号,光探测器将激光器的光信号转换为电信号,通过矢量网络分析仪测量各电流下激光器的传输系数;步骤4:将测量得到的数据传入计算机,通过程序对传输系数做累加及归一化处理;步骤5 ...
哈森其其格, 祝宁华, 张昀
core  

[Indolent γδT-cell clone in Felty syndrome: a case report and literature review]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi
Wang C, Fu MW, An G, Huang WY, Yang LJ.
europepmc   +1 more source

[Association between umbilical cord blood proteome and early infant neurodevelopmental risk]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Mo J, Wang H, Liu J, Li Q, Su T, Ji Y.
europepmc   +1 more source

[Advances in application of tissue expansion technology in breast reconstruction]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Jiang Y, Tang Z, Xiao S.
europepmc   +1 more source

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